25286156980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{239}}^1\times {\mathrm{2297}}^1$

素因数の和:2606

約数の個数: 144

約数和(自身を含む): 63376266240

約数和(自身を除く): 38090109260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 239, 245, 329, 470, 478, 490, 658, 940, 956, 980, 1195, 1316, 1645, 1673, 2297, 2303, 2390, 3290, 3346, 4594, 4606, 4780, 6580, 6692, 8365, 9188, 9212, 11233, 11485, 11515, 11711, 16079, 16730, 22466, 22970, 23030, 23422, 32158, 33460, 44932, 45940, 46060, 46844, 56165, 58555, 64316, 78631, 80395, 107959, 112330, 112553, 117110, 157262, 160790, 215918, 224660, 225106, 234220, 314524, 321580, 393155, 431836, 450212, 539795, 548983, 550417, 562765, 755713, 786310, 1079590, 1097966, 1100834, 1125530, 1511426, 1572620, 2159180, 2195932, 2201668, 2251060, 2744915, 2752085, 3022852, 3778565, 3842881, 5289991, 5489830, 5504170, 7557130, 7685762, 10579982, 10979660, 11008340, 15114260, 15371524, 19214405, 21159964, 25802201, 26449955, 26900167, 38428810, 51604402, 52899910, 53800334, 76857620, 103208804, 105799820, 107600668, 129011005, 134500835, 180615407, 258022010, 269001670, 361230814, 516044020, 538003340, 722461628, 903077035, 1264307849, 1806154070, 2528615698, 3612308140, 5057231396, 6321539245, 12643078490, 25286156980]

約数ペア:

[(1, 25286156980), (2, 12643078490), (4, 6321539245), (5, 5057231396), (7, 3612308140), (10, 2528615698), (14, 1806154070), (20, 1264307849), (28, 903077035), (35, 722461628), (47, 538003340), (49, 516044020), (70, 361230814), (94, 269001670), (98, 258022010), (140, 180615407), (188, 134500835), (196, 129011005), (235, 107600668), (239, 105799820), (245, 103208804), (329, 76857620), (470, 53800334), (478, 52899910), (490, 51604402), (658, 38428810), (940, 26900167), (956, 26449955), (980, 25802201), (1195, 21159964), (1316, 19214405), (1645, 15371524), (1673, 15114260), (2297, 11008340), (2303, 10979660), (2390, 10579982), (3290, 7685762), (3346, 7557130), (4594, 5504170), (4606, 5489830), (4780, 5289991), (6580, 3842881), (6692, 3778565), (8365, 3022852), (9188, 2752085), (9212, 2744915), (11233, 2251060), (11485, 2201668), (11515, 2195932), (11711, 2159180), (16079, 1572620), (16730, 1511426), (22466, 1125530), (22970, 1100834), (23030, 1097966), (23422, 1079590), (32158, 786310), (33460, 755713), (44932, 562765), (45940, 550417), (46060, 548983), (46844, 539795), (56165, 450212), (58555, 431836), (64316, 393155), (78631, 321580), (80395, 314524), (107959, 234220), (112330, 225106), (112553, 224660), (117110, 215918), (157262, 160790)]