311917970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11057}}^1$

素因数の和:11115

約数の個数: 64

約数和(自身を含む): 713373696

約数和(自身を除く): 401455726

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 1085, 2015, 2170, 2821, 4030, 5642, 11057, 14105, 22114, 28210, 55285, 77399, 110570, 143741, 154798, 287482, 342767, 386995, 685534, 718705, 773990, 1006187, 1437410, 1713835, 2012374, 2399369, 3427670, 4455971, 4798738, 5030935, 8911942, 10061870, 11996845, 22279855, 23993690, 31191797, 44559710, 62383594, 155958985, 311917970]

約数ペア:

[(1, 311917970), (2, 155958985), (5, 62383594), (7, 44559710), (10, 31191797), (13, 23993690), (14, 22279855), (26, 11996845), (31, 10061870), (35, 8911942), (62, 5030935), (65, 4798738), (70, 4455971), (91, 3427670), (130, 2399369), (155, 2012374), (182, 1713835), (217, 1437410), (310, 1006187), (403, 773990), (434, 718705), (455, 685534), (806, 386995), (910, 342767), (1085, 287482), (2015, 154798), (2170, 143741), (2821, 110570), (4030, 77399), (5642, 55285), (11057, 28210), (14105, 22114)]