198087640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{133843}}^1$

素因数の和:133891

約数の個数: 32

約数和(自身を含む): 457746480

約数和(自身を除く): 259658840

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 133843, 267686, 535372, 669215, 1070744, 1338430, 2676860, 4952191, 5353720, 9904382, 19808764, 24760955, 39617528, 49521910, 99043820, 198087640]

約数ペア:

[(1, 198087640), (2, 99043820), (4, 49521910), (5, 39617528), (8, 24760955), (10, 19808764), (20, 9904382), (37, 5353720), (40, 4952191), (74, 2676860), (148, 1338430), (185, 1070744), (296, 669215), (370, 535372), (740, 267686), (1480, 133843)]