69139660

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 148274784

約数和(自身を除く): 79135124

約数列:

[1, 2, 4, 5, 10, 20, 97, 157, 194, 227, 314, 388, 454, 485, 628, 785, 908, 970, 1135, 1570, 1940, 2270, 3140, 4540, 15229, 22019, 30458, 35639, 44038, 60916, 71278, 76145, 88076, 110095, 142556, 152290, 178195, 220190, 304580, 356390, 440380, 712780, 3456983, 6913966, 13827932, 17284915, 34569830, 69139660]

約数ペア:

[(1, 69139660), (2, 34569830), (4, 17284915), (5, 13827932), (10, 6913966), (20, 3456983), (97, 712780), (157, 440380), (194, 356390), (227, 304580), (314, 220190), (388, 178195), (454, 152290), (485, 142556), (628, 110095), (785, 88076), (908, 76145), (970, 71278), (1135, 60916), (1570, 44038), (1940, 35639), (2270, 30458), (3140, 22019), (4540, 15229)]