51215450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1$

素因数の和:97

約数の個数: 144

約数和(自身を含む): 122536800

約数和(自身を除く): 71321350

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 25, 26, 29, 38, 50, 55, 58, 65, 95, 110, 130, 143, 145, 169, 190, 209, 247, 275, 286, 290, 319, 325, 338, 377, 418, 475, 494, 550, 551, 638, 650, 715, 725, 754, 845, 950, 1045, 1102, 1235, 1430, 1450, 1595, 1690, 1859, 1885, 2090, 2470, 2717, 2755, 3190, 3211, 3575, 3718, 3770, 4147, 4225, 4901, 5225, 5434, 5510, 6061, 6175, 6422, 7150, 7163, 7975, 8294, 8450, 9295, 9425, 9802, 10450, 12122, 12350, 13585, 13775, 14326, 15950, 16055, 18590, 18850, 20735, 24505, 27170, 27550, 30305, 32110, 35321, 35815, 41470, 46475, 49010, 53911, 60610, 67925, 70642, 71630, 78793, 80275, 92950, 93119, 103675, 107822, 122525, 135850, 151525, 157586, 160550, 176605, 179075, 186238, 207350, 245050, 269555, 303050, 353210, 358150, 393965, 465595, 539110, 787930, 883025, 931190, 1024309, 1347775, 1766050, 1969825, 2048618, 2327975, 2695550, 3939650, 4655950, 5121545, 10243090, 25607725, 51215450]

約数ペア:

[(1, 51215450), (2, 25607725), (5, 10243090), (10, 5121545), (11, 4655950), (13, 3939650), (19, 2695550), (22, 2327975), (25, 2048618), (26, 1969825), (29, 1766050), (38, 1347775), (50, 1024309), (55, 931190), (58, 883025), (65, 787930), (95, 539110), (110, 465595), (130, 393965), (143, 358150), (145, 353210), (169, 303050), (190, 269555), (209, 245050), (247, 207350), (275, 186238), (286, 179075), (290, 176605), (319, 160550), (325, 157586), (338, 151525), (377, 135850), (418, 122525), (475, 107822), (494, 103675), (550, 93119), (551, 92950), (638, 80275), (650, 78793), (715, 71630), (725, 70642), (754, 67925), (845, 60610), (950, 53911), (1045, 49010), (1102, 46475), (1235, 41470), (1430, 35815), (1450, 35321), (1595, 32110), (1690, 30305), (1859, 27550), (1885, 27170), (2090, 24505), (2470, 20735), (2717, 18850), (2755, 18590), (3190, 16055), (3211, 15950), (3575, 14326), (3718, 13775), (3770, 13585), (4147, 12350), (4225, 12122), (4901, 10450), (5225, 9802), (5434, 9425), (5510, 9295), (6061, 8450), (6175, 8294), (6422, 7975), (7150, 7163)]