89188420

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{173}}^2$

素因数の和:504

約数の個数: 36

約数和(自身を含む): 189648900

約数和(自身を除く): 100460480

約数列:

[1, 2, 4, 5, 10, 20, 149, 173, 298, 346, 596, 692, 745, 865, 1490, 1730, 2980, 3460, 25777, 29929, 51554, 59858, 103108, 119716, 128885, 149645, 257770, 299290, 515540, 598580, 4459421, 8918842, 17837684, 22297105, 44594210, 89188420]

約数ペア:

[(1, 89188420), (2, 44594210), (4, 22297105), (5, 17837684), (10, 8918842), (20, 4459421), (149, 598580), (173, 515540), (298, 299290), (346, 257770), (596, 149645), (692, 128885), (745, 119716), (865, 103108), (1490, 59858), (1730, 51554), (2980, 29929), (3460, 25777)]