869968420

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{5179}}^1$

素因数の和:5452

約数の個数: 48

約数和(自身を含む): 1884939840

約数和(自身を除く): 1014971420

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 227, 370, 454, 740, 908, 1135, 2270, 4540, 5179, 8399, 10358, 16798, 20716, 25895, 33596, 41995, 51790, 83990, 103580, 167980, 191623, 383246, 766492, 958115, 1175633, 1916230, 2351266, 3832460, 4702532, 5878165, 11756330, 23512660, 43498421, 86996842, 173993684, 217492105, 434984210, 869968420]

約数ペア:

[(1, 869968420), (2, 434984210), (4, 217492105), (5, 173993684), (10, 86996842), (20, 43498421), (37, 23512660), (74, 11756330), (148, 5878165), (185, 4702532), (227, 3832460), (370, 2351266), (454, 1916230), (740, 1175633), (908, 958115), (1135, 766492), (2270, 383246), (4540, 191623), (5179, 167980), (8399, 103580), (10358, 83990), (16798, 51790), (20716, 41995), (25895, 33596)]