156940243540

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{439}}^1\times {\mathrm{109661}}^1$

素因数の和:110272

約数の個数: 48

約数和(自身を含む): 332354816640

約数和(自身を除く): 175414573100

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 439, 652, 815, 878, 1630, 1756, 2195, 3260, 4390, 8780, 71557, 109661, 143114, 219322, 286228, 357785, 438644, 548305, 715570, 1096610, 1431140, 2193220, 17874743, 35749486, 48141179, 71498972, 89373715, 96282358, 178747430, 192564716, 240705895, 357494860, 481411790, 962823580, 7847012177, 15694024354, 31388048708, 39235060885, 78470121770, 156940243540]

約数ペア:

[(1, 156940243540), (2, 78470121770), (4, 39235060885), (5, 31388048708), (10, 15694024354), (20, 7847012177), (163, 962823580), (326, 481411790), (439, 357494860), (652, 240705895), (815, 192564716), (878, 178747430), (1630, 96282358), (1756, 89373715), (2195, 71498972), (3260, 48141179), (4390, 35749486), (8780, 17874743), (71557, 2193220), (109661, 1431140), (143114, 1096610), (219322, 715570), (286228, 548305), (357785, 438644)]