78315380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 195592320

約数和(自身を除く): 117276940

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 139, 143, 197, 220, 260, 278, 286, 394, 556, 572, 695, 715, 788, 985, 1390, 1430, 1529, 1807, 1970, 2167, 2561, 2780, 2860, 3058, 3614, 3940, 4334, 5122, 6116, 7228, 7645, 8668, 9035, 10244, 10835, 12805, 15290, 18070, 19877, 21670, 25610, 27383, 28171, 30580, 36140, 39754, 43340, 51220, 54766, 56342, 79508, 99385, 109532, 112684, 136915, 140855, 198770, 273830, 281710, 301213, 355979, 397540, 547660, 563420, 602426, 711958, 1204852, 1423916, 1506065, 1779895, 3012130, 3559790, 3915769, 6024260, 7119580, 7831538, 15663076, 19578845, 39157690, 78315380]

約数ペア:

[(1, 78315380), (2, 39157690), (4, 19578845), (5, 15663076), (10, 7831538), (11, 7119580), (13, 6024260), (20, 3915769), (22, 3559790), (26, 3012130), (44, 1779895), (52, 1506065), (55, 1423916), (65, 1204852), (110, 711958), (130, 602426), (139, 563420), (143, 547660), (197, 397540), (220, 355979), (260, 301213), (278, 281710), (286, 273830), (394, 198770), (556, 140855), (572, 136915), (695, 112684), (715, 109532), (788, 99385), (985, 79508), (1390, 56342), (1430, 54766), (1529, 51220), (1807, 43340), (1970, 39754), (2167, 36140), (2561, 30580), (2780, 28171), (2860, 27383), (3058, 25610), (3614, 21670), (3940, 19877), (4334, 18070), (5122, 15290), (6116, 12805), (7228, 10835), (7645, 10244), (8668, 9035)]