251489774575

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:271

約数の個数: 216

約数和(自身を含む): 380962009728

約数和(自身を除く): 129472235153

約数列:

[1, 5, 13, 19, 23, 25, 65, 67, 95, 107, 115, 169, 247, 299, 325, 335, 361, 437, 475, 535, 575, 845, 871, 1235, 1273, 1391, 1495, 1541, 1675, 1805, 2033, 2185, 2461, 2675, 3211, 3887, 4225, 4355, 4693, 5681, 6175, 6365, 6955, 7169, 7475, 7705, 8303, 9025, 10165, 10925, 11323, 12305, 16055, 16549, 18083, 19435, 20033, 21775, 23465, 24187, 26429, 28405, 29279, 31825, 31993, 34775, 35845, 38525, 38627, 41515, 46759, 50825, 56615, 61009, 61525, 73853, 80275, 82745, 90415, 93197, 97175, 100165, 107939, 117325, 120935, 132145, 136211, 142025, 146395, 159965, 164887, 179225, 193135, 207575, 215137, 233795, 260429, 283075, 305045, 314431, 343577, 369265, 380627, 413725, 415909, 452075, 465985, 500825, 502151, 539695, 556301, 604675, 607867, 660725, 681055, 731975, 799825, 824435, 888421, 965675, 1075685, 1168975, 1211561, 1302145, 1403207, 1525225, 1572155, 1717885, 1770743, 1846325, 1903135, 2079545, 2143531, 2329925, 2510755, 2588009, 2698475, 2781505, 3039335, 3132853, 3405275, 4087603, 4122175, 4442105, 4948151, 5378425, 6057805, 6510725, 6527963, 7016035, 7231913, 7860775, 7902271, 8589425, 8853715, 9515675, 10397725, 10717655, 11549473, 12553775, 12940045, 13907525, 15196675, 15664265, 20438015, 22210525, 23019659, 24740755, 27865903, 30289025, 32639815, 33644117, 35080175, 36159565, 39511355, 40727089, 44268575, 53588275, 57747365, 59524207, 64700225, 78321325, 94014869, 102190075, 115098295, 123703775, 139329515, 150143149, 163199075, 168220585, 180797825, 197556775, 203635445, 288736825, 297621035, 437373521, 470074345, 529452157, 575491475, 696647575, 750715745, 773814691, 841102925, 1018177225, 1488105175, 2186867605, 2350371725, 2647260785, 3753578725, 3869073455, 10059590983, 10934338025, 13236303925, 19345367275, 50297954915, 251489774575]

約数ペア:

[(1, 251489774575), (5, 50297954915), (13, 19345367275), (19, 13236303925), (23, 10934338025), (25, 10059590983), (65, 3869073455), (67, 3753578725), (95, 2647260785), (107, 2350371725), (115, 2186867605), (169, 1488105175), (247, 1018177225), (299, 841102925), (325, 773814691), (335, 750715745), (361, 696647575), (437, 575491475), (475, 529452157), (535, 470074345), (575, 437373521), (845, 297621035), (871, 288736825), (1235, 203635445), (1273, 197556775), (1391, 180797825), (1495, 168220585), (1541, 163199075), (1675, 150143149), (1805, 139329515), (2033, 123703775), (2185, 115098295), (2461, 102190075), (2675, 94014869), (3211, 78321325), (3887, 64700225), (4225, 59524207), (4355, 57747365), (4693, 53588275), (5681, 44268575), (6175, 40727089), (6365, 39511355), (6955, 36159565), (7169, 35080175), (7475, 33644117), (7705, 32639815), (8303, 30289025), (9025, 27865903), (10165, 24740755), (10925, 23019659), (11323, 22210525), (12305, 20438015), (16055, 15664265), (16549, 15196675), (18083, 13907525), (19435, 12940045), (20033, 12553775), (21775, 11549473), (23465, 10717655), (24187, 10397725), (26429, 9515675), (28405, 8853715), (29279, 8589425), (31825, 7902271), (31993, 7860775), (34775, 7231913), (35845, 7016035), (38525, 6527963), (38627, 6510725), (41515, 6057805), (46759, 5378425), (50825, 4948151), (56615, 4442105), (61009, 4122175), (61525, 4087603), (73853, 3405275), (80275, 3132853), (82745, 3039335), (90415, 2781505), (93197, 2698475), (97175, 2588009), (100165, 2510755), (107939, 2329925), (117325, 2143531), (120935, 2079545), (132145, 1903135), (136211, 1846325), (142025, 1770743), (146395, 1717885), (159965, 1572155), (164887, 1525225), (179225, 1403207), (193135, 1302145), (207575, 1211561), (215137, 1168975), (233795, 1075685), (260429, 965675), (283075, 888421), (305045, 824435), (314431, 799825), (343577, 731975), (369265, 681055), (380627, 660725), (413725, 607867), (415909, 604675), (452075, 556301), (465985, 539695), (500825, 502151)]