156909290

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{7129}}^1$

素因数の和:7238

約数の個数: 32

約数和(自身を含む): 295695360

約数和(自身を除く): 138786070

約数列:

[1, 2, 5, 10, 31, 62, 71, 142, 155, 310, 355, 710, 2201, 4402, 7129, 11005, 14258, 22010, 35645, 71290, 220999, 441998, 506159, 1012318, 1104995, 2209990, 2530795, 5061590, 15690929, 31381858, 78454645, 156909290]

約数ペア:

[(1, 156909290), (2, 78454645), (5, 31381858), (10, 15690929), (31, 5061590), (62, 2530795), (71, 2209990), (142, 1104995), (155, 1012318), (310, 506159), (355, 441998), (710, 220999), (2201, 71290), (4402, 35645), (7129, 22010), (11005, 14258)]