198530440

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{48187}}^1$

素因数の和:48301

約数の個数: 32

約数和(自身を含む): 451039680

約数和(自身を除く): 252509240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 48187, 96374, 192748, 240935, 385496, 481870, 963740, 1927480, 4963261, 9926522, 19853044, 24816305, 39706088, 49632610, 99265220, 198530440]

約数ペア:

[(1, 198530440), (2, 99265220), (4, 49632610), (5, 39706088), (8, 24816305), (10, 19853044), (20, 9926522), (40, 4963261), (103, 1927480), (206, 963740), (412, 481870), (515, 385496), (824, 240935), (1030, 192748), (2060, 96374), (4120, 48187)]