129837890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2339}}^1$

素因数の和:2427

約数の個数: 64

約数和(自身を含む): 292481280

約数和(自身を除く): 162643390

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 61, 65, 70, 91, 122, 130, 182, 305, 427, 455, 610, 793, 854, 910, 1586, 2135, 2339, 3965, 4270, 4678, 5551, 7930, 11102, 11695, 16373, 23390, 27755, 30407, 32746, 55510, 60814, 81865, 142679, 152035, 163730, 212849, 285358, 304070, 425698, 713395, 998753, 1064245, 1426790, 1854827, 1997506, 2128490, 3709654, 4993765, 9274135, 9987530, 12983789, 18548270, 25967578, 64918945, 129837890]

約数ペア:

[(1, 129837890), (2, 64918945), (5, 25967578), (7, 18548270), (10, 12983789), (13, 9987530), (14, 9274135), (26, 4993765), (35, 3709654), (61, 2128490), (65, 1997506), (70, 1854827), (91, 1426790), (122, 1064245), (130, 998753), (182, 713395), (305, 425698), (427, 304070), (455, 285358), (610, 212849), (793, 163730), (854, 152035), (910, 142679), (1586, 81865), (2135, 60814), (2339, 55510), (3965, 32746), (4270, 30407), (4678, 27755), (5551, 23390), (7930, 16373), (11102, 11695)]