3907280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2$

素因数の和:73

約数の個数: 90

約数和(自身を含む): 10449666

約数和(自身を除く): 6542386

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 52, 65, 68, 80, 85, 104, 130, 136, 169, 170, 208, 221, 260, 272, 289, 338, 340, 442, 520, 578, 676, 680, 845, 884, 1040, 1105, 1156, 1352, 1360, 1445, 1690, 1768, 2210, 2312, 2704, 2873, 2890, 3380, 3536, 3757, 4420, 4624, 5746, 5780, 6760, 7514, 8840, 11492, 11560, 13520, 14365, 15028, 17680, 18785, 22984, 23120, 28730, 30056, 37570, 45968, 48841, 57460, 60112, 75140, 97682, 114920, 150280, 195364, 229840, 244205, 300560, 390728, 488410, 781456, 976820, 1953640, 3907280]

約数ペア:

[(1, 3907280), (2, 1953640), (4, 976820), (5, 781456), (8, 488410), (10, 390728), (13, 300560), (16, 244205), (17, 229840), (20, 195364), (26, 150280), (34, 114920), (40, 97682), (52, 75140), (65, 60112), (68, 57460), (80, 48841), (85, 45968), (104, 37570), (130, 30056), (136, 28730), (169, 23120), (170, 22984), (208, 18785), (221, 17680), (260, 15028), (272, 14365), (289, 13520), (338, 11560), (340, 11492), (442, 8840), (520, 7514), (578, 6760), (676, 5780), (680, 5746), (845, 4624), (884, 4420), (1040, 3757), (1105, 3536), (1156, 3380), (1352, 2890), (1360, 2873), (1445, 2704), (1690, 2312), (1768, 2210)]