86731580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 209751360

約数和(自身を除く): 123019780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 97, 130, 181, 190, 194, 247, 260, 362, 380, 388, 485, 494, 724, 905, 970, 988, 1235, 1261, 1810, 1843, 1940, 2353, 2470, 2522, 3439, 3620, 3686, 4706, 4940, 5044, 6305, 6878, 7372, 9215, 9412, 11765, 12610, 13756, 17195, 17557, 18430, 23530, 23959, 25220, 34390, 35114, 36860, 44707, 47060, 47918, 68780, 70228, 87785, 89414, 95836, 119795, 175570, 178828, 223535, 228241, 239590, 333583, 351140, 447070, 456482, 479180, 667166, 894140, 912964, 1141205, 1334332, 1667915, 2282410, 3335830, 4336579, 4564820, 6671660, 8673158, 17346316, 21682895, 43365790, 86731580]

約数ペア:

[(1, 86731580), (2, 43365790), (4, 21682895), (5, 17346316), (10, 8673158), (13, 6671660), (19, 4564820), (20, 4336579), (26, 3335830), (38, 2282410), (52, 1667915), (65, 1334332), (76, 1141205), (95, 912964), (97, 894140), (130, 667166), (181, 479180), (190, 456482), (194, 447070), (247, 351140), (260, 333583), (362, 239590), (380, 228241), (388, 223535), (485, 178828), (494, 175570), (724, 119795), (905, 95836), (970, 89414), (988, 87785), (1235, 70228), (1261, 68780), (1810, 47918), (1843, 47060), (1940, 44707), (2353, 36860), (2470, 35114), (2522, 34390), (3439, 25220), (3620, 23959), (3686, 23530), (4706, 18430), (4940, 17557), (5044, 17195), (6305, 13756), (6878, 12610), (7372, 11765), (9215, 9412)]