389037460

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{56711}}^1$

素因数の和:56741

約数の個数: 48

約数和(自身を含む): 952761600

約数和(自身を除く): 563724140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 56711, 113422, 226844, 283555, 396977, 567110, 793954, 1134220, 1587908, 1984885, 2778839, 3969770, 5557678, 7939540, 11115356, 13894195, 19451873, 27788390, 38903746, 55576780, 77807492, 97259365, 194518730, 389037460]

約数ペア:

[(1, 389037460), (2, 194518730), (4, 97259365), (5, 77807492), (7, 55576780), (10, 38903746), (14, 27788390), (20, 19451873), (28, 13894195), (35, 11115356), (49, 7939540), (70, 5557678), (98, 3969770), (140, 2778839), (196, 1984885), (245, 1587908), (343, 1134220), (490, 793954), (686, 567110), (980, 396977), (1372, 283555), (1715, 226844), (3430, 113422), (6860, 56711)]