221618690

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{10069}}^1$

素因数の和:10178

約数の個数: 32

約数和(自身を含む): 417623040

約数和(自身を除く): 196004350

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 2201, 4402, 10069, 11005, 20138, 22010, 50345, 100690, 312139, 624278, 714899, 1429798, 1560695, 3121390, 3574495, 7148990, 22161869, 44323738, 110809345, 221618690]

約数ペア:

[(1, 221618690), (2, 110809345), (5, 44323738), (10, 22161869), (31, 7148990), (62, 3574495), (71, 3121390), (142, 1560695), (155, 1429798), (310, 714899), (355, 624278), (710, 312139), (2201, 100690), (4402, 50345), (10069, 22010), (11005, 20138)]