49742680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{331}}^1$

素因数の和:389

約数の個数: 96

約数和(自身を含む): 128424240

約数和(自身を除く): 78681560

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 289, 331, 340, 442, 520, 578, 662, 680, 884, 1105, 1156, 1324, 1445, 1655, 1768, 2210, 2312, 2648, 2890, 3310, 3757, 4303, 4420, 5627, 5780, 6620, 7514, 8606, 8840, 11254, 11560, 13240, 15028, 17212, 18785, 21515, 22508, 28135, 30056, 34424, 37570, 43030, 45016, 56270, 73151, 75140, 86060, 95659, 112540, 146302, 150280, 172120, 191318, 225080, 292604, 365755, 382636, 478295, 585208, 731510, 765272, 956590, 1243567, 1463020, 1913180, 2487134, 2926040, 3826360, 4974268, 6217835, 9948536, 12435670, 24871340, 49742680]

約数ペア:

[(1, 49742680), (2, 24871340), (4, 12435670), (5, 9948536), (8, 6217835), (10, 4974268), (13, 3826360), (17, 2926040), (20, 2487134), (26, 1913180), (34, 1463020), (40, 1243567), (52, 956590), (65, 765272), (68, 731510), (85, 585208), (104, 478295), (130, 382636), (136, 365755), (170, 292604), (221, 225080), (260, 191318), (289, 172120), (331, 150280), (340, 146302), (442, 112540), (520, 95659), (578, 86060), (662, 75140), (680, 73151), (884, 56270), (1105, 45016), (1156, 43030), (1324, 37570), (1445, 34424), (1655, 30056), (1768, 28135), (2210, 22508), (2312, 21515), (2648, 18785), (2890, 17212), (3310, 15028), (3757, 13240), (4303, 11560), (4420, 11254), (5627, 8840), (5780, 8606), (6620, 7514)]