311253.0000000

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 16450560

約数和(自身を除く): 9095620

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 59, 92, 115, 118, 230, 236, 271, 295, 460, 542, 590, 1084, 1180, 1355, 1357, 2710, 2714, 5420, 5428, 6233, 6785, 12466, 13570, 15989, 24932, 27140, 31165, 31978, 62330, 63956, 79945, 124660, 159890, 319780, 367747, 735494, 1470988, 1838735, 3677470, 7354940]

約数ペア:

[(1, 7354940), (2, 3677470), (4, 1838735), (5, 1470988), (10, 735494), (20, 367747), (23, 319780), (46, 159890), (59, 124660), (92, 79945), (115, 63956), (118, 62330), (230, 31978), (236, 31165), (271, 27140), (295, 24932), (460, 15989), (542, 13570), (590, 12466), (1084, 6785), (1180, 6233), (1355, 5428), (1357, 5420), (2710, 2714)]