868378940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{1439}}^1$

素因数の和:1683

約数の個数: 96

約数和(自身を含む): 2154055680

約数和(自身を除く): 1285676740

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 211, 220, 260, 286, 422, 572, 715, 844, 1055, 1430, 1439, 2110, 2321, 2743, 2860, 2878, 4220, 4642, 5486, 5756, 7195, 9284, 10972, 11605, 13715, 14390, 15829, 18707, 23210, 27430, 28780, 30173, 31658, 37414, 46420, 54860, 60346, 63316, 74828, 79145, 93535, 120692, 150865, 158290, 187070, 205777, 301730, 303629, 316580, 374140, 411554, 603460, 607258, 823108, 1028885, 1214516, 1518145, 2057770, 3036290, 3339919, 3947177, 4115540, 6072580, 6679838, 7894354, 13359676, 15788708, 16699595, 19735885, 33399190, 39471770, 43418947, 66798380, 78943540, 86837894, 173675788, 217094735, 434189470, 868378940]

約数ペア:

[(1, 868378940), (2, 434189470), (4, 217094735), (5, 173675788), (10, 86837894), (11, 78943540), (13, 66798380), (20, 43418947), (22, 39471770), (26, 33399190), (44, 19735885), (52, 16699595), (55, 15788708), (65, 13359676), (110, 7894354), (130, 6679838), (143, 6072580), (211, 4115540), (220, 3947177), (260, 3339919), (286, 3036290), (422, 2057770), (572, 1518145), (715, 1214516), (844, 1028885), (1055, 823108), (1430, 607258), (1439, 603460), (2110, 411554), (2321, 374140), (2743, 316580), (2860, 303629), (2878, 301730), (4220, 205777), (4642, 187070), (5486, 158290), (5756, 150865), (7195, 120692), (9284, 93535), (10972, 79145), (11605, 74828), (13715, 63316), (14390, 60346), (15829, 54860), (18707, 46420), (23210, 37414), (27430, 31658), (28780, 30173)]