29672890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 61286400

約数和(自身を除く): 31613510

約数列:

[1, 2, 5, 10, 13, 26, 31, 37, 62, 65, 74, 130, 155, 185, 199, 310, 370, 398, 403, 481, 806, 962, 995, 1147, 1990, 2015, 2294, 2405, 2587, 4030, 4810, 5174, 5735, 6169, 7363, 11470, 12338, 12935, 14726, 14911, 25870, 29822, 30845, 36815, 61690, 73630, 74555, 80197, 95719, 149110, 160394, 191438, 228253, 400985, 456506, 478595, 801970, 957190, 1141265, 2282530, 2967289, 5934578, 14836445, 29672890]

約数ペア:

[(1, 29672890), (2, 14836445), (5, 5934578), (10, 2967289), (13, 2282530), (26, 1141265), (31, 957190), (37, 801970), (62, 478595), (65, 456506), (74, 400985), (130, 228253), (155, 191438), (185, 160394), (199, 149110), (310, 95719), (370, 80197), (398, 74555), (403, 73630), (481, 61690), (806, 36815), (962, 30845), (995, 29822), (1147, 25870), (1990, 14911), (2015, 14726), (2294, 12935), (2405, 12338), (2587, 11470), (4030, 7363), (4810, 6169), (5174, 5735)]