315616340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1213909}}^1$

素因数の和:1213931

約数の個数: 24

約数和(自身を含む): 713779080

約数和(自身を除く): 398162740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1213909, 2427818, 4855636, 6069545, 12139090, 15780817, 24278180, 31561634, 63123268, 78904085, 157808170, 315616340]

約数ペア:

[(1, 315616340), (2, 157808170), (4, 78904085), (5, 63123268), (10, 31561634), (13, 24278180), (20, 15780817), (26, 12139090), (52, 6069545), (65, 4855636), (130, 2427818), (260, 1213909)]