313860820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{521}}^1$

素因数の和:881

約数の個数: 96

約数和(自身を含む): 815222016

約数和(自身を除く): 501361196

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 331, 364, 455, 521, 662, 910, 1042, 1324, 1655, 1820, 2084, 2317, 2605, 3310, 3647, 4303, 4634, 5210, 6620, 6773, 7294, 8606, 9268, 10420, 11585, 13546, 14588, 17212, 18235, 21515, 23170, 27092, 30121, 33865, 36470, 43030, 46340, 47411, 60242, 67730, 72940, 86060, 94822, 120484, 135460, 150605, 172451, 189644, 237055, 301210, 344902, 474110, 602420, 689804, 862255, 948220, 1207157, 1724510, 2241863, 2414314, 3449020, 4483726, 4828628, 6035785, 8967452, 11209315, 12071570, 15693041, 22418630, 24143140, 31386082, 44837260, 62772164, 78465205, 156930410, 313860820]

約数ペア:

[(1, 313860820), (2, 156930410), (4, 78465205), (5, 62772164), (7, 44837260), (10, 31386082), (13, 24143140), (14, 22418630), (20, 15693041), (26, 12071570), (28, 11209315), (35, 8967452), (52, 6035785), (65, 4828628), (70, 4483726), (91, 3449020), (130, 2414314), (140, 2241863), (182, 1724510), (260, 1207157), (331, 948220), (364, 862255), (455, 689804), (521, 602420), (662, 474110), (910, 344902), (1042, 301210), (1324, 237055), (1655, 189644), (1820, 172451), (2084, 150605), (2317, 135460), (2605, 120484), (3310, 94822), (3647, 86060), (4303, 72940), (4634, 67730), (5210, 60242), (6620, 47411), (6773, 46340), (7294, 43030), (8606, 36470), (9268, 33865), (10420, 30121), (11585, 27092), (13546, 23170), (14588, 21515), (17212, 18235)]