385811920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{3673}}^1$

素因数の和:3800

約数の個数: 80

約数和(自身を含む): 975843792

約数和(自身を除く): 590031872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 101, 104, 130, 202, 208, 260, 404, 505, 520, 808, 1010, 1040, 1313, 1616, 2020, 2626, 3673, 4040, 5252, 6565, 7346, 8080, 10504, 13130, 14692, 18365, 21008, 26260, 29384, 36730, 47749, 52520, 58768, 73460, 95498, 105040, 146920, 190996, 238745, 293840, 370973, 381992, 477490, 741946, 763984, 954980, 1483892, 1854865, 1909960, 2967784, 3709730, 3819920, 4822649, 5935568, 7419460, 9645298, 14838920, 19290596, 24113245, 29677840, 38581192, 48226490, 77162384, 96452980, 192905960, 385811920]

約数ペア:

[(1, 385811920), (2, 192905960), (4, 96452980), (5, 77162384), (8, 48226490), (10, 38581192), (13, 29677840), (16, 24113245), (20, 19290596), (26, 14838920), (40, 9645298), (52, 7419460), (65, 5935568), (80, 4822649), (101, 3819920), (104, 3709730), (130, 2967784), (202, 1909960), (208, 1854865), (260, 1483892), (404, 954980), (505, 763984), (520, 741946), (808, 477490), (1010, 381992), (1040, 370973), (1313, 293840), (1616, 238745), (2020, 190996), (2626, 146920), (3673, 105040), (4040, 95498), (5252, 73460), (6565, 58768), (7346, 52520), (8080, 47749), (10504, 36730), (13130, 29384), (14692, 26260), (18365, 21008)]