201237640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{68917}}^1$

素因数の和:69001

約数の個数: 32

約数和(自身を含む): 458993880

約数和(自身を除く): 257756240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 68917, 137834, 275668, 344585, 551336, 689170, 1378340, 2756680, 5030941, 10061882, 20123764, 25154705, 40247528, 50309410, 100618820, 201237640]

約数ペア:

[(1, 201237640), (2, 100618820), (4, 50309410), (5, 40247528), (8, 25154705), (10, 20123764), (20, 10061882), (40, 5030941), (73, 2756680), (146, 1378340), (292, 689170), (365, 551336), (584, 344585), (730, 275668), (1460, 137834), (2920, 68917)]