87765470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 179625600

約数和(自身を除く): 91860130

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 149, 197, 230, 298, 299, 394, 598, 745, 985, 1490, 1495, 1937, 1970, 2561, 2990, 3427, 3874, 4531, 5122, 6854, 9062, 9685, 12805, 17135, 19370, 22655, 25610, 29353, 34270, 44551, 45310, 58706, 58903, 89102, 117806, 146765, 222755, 293530, 294515, 381589, 445510, 589030, 675119, 763178, 1350238, 1907945, 3375595, 3815890, 6751190, 8776547, 17553094, 43882735, 87765470]

約数ペア:

[(1, 87765470), (2, 43882735), (5, 17553094), (10, 8776547), (13, 6751190), (23, 3815890), (26, 3375595), (46, 1907945), (65, 1350238), (115, 763178), (130, 675119), (149, 589030), (197, 445510), (230, 381589), (298, 294515), (299, 293530), (394, 222755), (598, 146765), (745, 117806), (985, 89102), (1490, 58903), (1495, 58706), (1937, 45310), (1970, 44551), (2561, 34270), (2990, 29353), (3427, 25610), (3874, 22655), (4531, 19370), (5122, 17135), (6854, 12805), (9062, 9685)]