4240340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{347}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 9821952

約数和(自身を除く): 5581612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 347, 470, 611, 694, 940, 1222, 1388, 1735, 2444, 3055, 3470, 4511, 6110, 6940, 9022, 12220, 16309, 18044, 22555, 32618, 45110, 65236, 81545, 90220, 163090, 212017, 326180, 424034, 848068, 1060085, 2120170, 4240340]

約数ペア:

[(1, 4240340), (2, 2120170), (4, 1060085), (5, 848068), (10, 424034), (13, 326180), (20, 212017), (26, 163090), (47, 90220), (52, 81545), (65, 65236), (94, 45110), (130, 32618), (188, 22555), (235, 18044), (260, 16309), (347, 12220), (470, 9022), (611, 6940), (694, 6110), (940, 4511), (1222, 3470), (1388, 3055), (1735, 2444)]