88998820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{433}}^1$

素因数の和:724

約数の個数: 48

約数和(自身を含む): 192487680

約数和(自身を除く): 103488860

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 239, 430, 433, 478, 860, 866, 956, 1195, 1732, 2165, 2390, 4330, 4780, 8660, 10277, 18619, 20554, 37238, 41108, 51385, 74476, 93095, 102770, 103487, 186190, 205540, 206974, 372380, 413948, 517435, 1034870, 2069740, 4449941, 8899882, 17799764, 22249705, 44499410, 88998820]

約数ペア:

[(1, 88998820), (2, 44499410), (4, 22249705), (5, 17799764), (10, 8899882), (20, 4449941), (43, 2069740), (86, 1034870), (172, 517435), (215, 413948), (239, 372380), (430, 206974), (433, 205540), (478, 186190), (860, 103487), (866, 102770), (956, 93095), (1195, 74476), (1732, 51385), (2165, 41108), (2390, 37238), (4330, 20554), (4780, 18619), (8660, 10277)]