144074620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1\times {\mathrm{421}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 308822976

約数和(自身を除く): 164748356

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 241, 284, 355, 421, 482, 710, 842, 964, 1205, 1420, 1684, 2105, 2410, 4210, 4820, 8420, 17111, 29891, 34222, 59782, 68444, 85555, 101461, 119564, 149455, 171110, 202922, 298910, 342220, 405844, 507305, 597820, 1014610, 2029220, 7203731, 14407462, 28814924, 36018655, 72037310, 144074620]

約数ペア:

[(1, 144074620), (2, 72037310), (4, 36018655), (5, 28814924), (10, 14407462), (20, 7203731), (71, 2029220), (142, 1014610), (241, 597820), (284, 507305), (355, 405844), (421, 342220), (482, 298910), (710, 202922), (842, 171110), (964, 149455), (1205, 119564), (1420, 101461), (1684, 85555), (2105, 68444), (2410, 59782), (4210, 34222), (4820, 29891), (8420, 17111)]