2279890780

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{179}}^1\times {\mathrm{3907}}^1$

素因数の和:4258

約数の個数: 48

約数和(自身を含む): 4845294720

約数和(自身を除く): 2565403940

約数列:

[1, 2, 4, 5, 10, 20, 163, 179, 326, 358, 652, 716, 815, 895, 1630, 1790, 3260, 3580, 3907, 7814, 15628, 19535, 29177, 39070, 58354, 78140, 116708, 145885, 291770, 583540, 636841, 699353, 1273682, 1398706, 2547364, 2797412, 3184205, 3496765, 6368410, 6993530, 12736820, 13987060, 113994539, 227989078, 455978156, 569972695, 1139945390, 2279890780]

約数ペア:

[(1, 2279890780), (2, 1139945390), (4, 569972695), (5, 455978156), (10, 227989078), (20, 113994539), (163, 13987060), (179, 12736820), (326, 6993530), (358, 6368410), (652, 3496765), (716, 3184205), (815, 2797412), (895, 2547364), (1630, 1398706), (1790, 1273682), (3260, 699353), (3580, 636841), (3907, 583540), (7814, 291770), (15628, 145885), (19535, 116708), (29177, 78140), (39070, 58354)]