217156960

素因数分解:

$2^5\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13177}}^1$

素因数の和:13295

約数の個数: 48

約数和(自身を含む): 518053536

約数和(自身を除く): 300896576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 103, 160, 206, 412, 515, 824, 1030, 1648, 2060, 3296, 4120, 8240, 13177, 16480, 26354, 52708, 65885, 105416, 131770, 210832, 263540, 421664, 527080, 1054160, 1357231, 2108320, 2714462, 5428924, 6786155, 10857848, 13572310, 21715696, 27144620, 43431392, 54289240, 108578480, 217156960]

約数ペア:

[(1, 217156960), (2, 108578480), (4, 54289240), (5, 43431392), (8, 27144620), (10, 21715696), (16, 13572310), (20, 10857848), (32, 6786155), (40, 5428924), (80, 2714462), (103, 2108320), (160, 1357231), (206, 1054160), (412, 527080), (515, 421664), (824, 263540), (1030, 210832), (1648, 131770), (2060, 105416), (3296, 65885), (4120, 52708), (8240, 26354), (13177, 16480)]