100403900

素因数分解:

$2^2\times 5^2\times {\mathrm{239}}^1\times {\mathrm{4201}}^1$

素因数の和:4454

約数の個数: 36

約数和(自身を含む): 218840160

約数和(自身を除く): 118436260

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 239, 478, 956, 1195, 2390, 4201, 4780, 5975, 8402, 11950, 16804, 21005, 23900, 42010, 84020, 105025, 210050, 420100, 1004039, 2008078, 4016156, 5020195, 10040390, 20080780, 25100975, 50201950, 100403900]

約数ペア:

[(1, 100403900), (2, 50201950), (4, 25100975), (5, 20080780), (10, 10040390), (20, 5020195), (25, 4016156), (50, 2008078), (100, 1004039), (239, 420100), (478, 210050), (956, 105025), (1195, 84020), (2390, 42010), (4201, 23900), (4780, 21005), (5975, 16804), (8402, 11950)]