218402000

素因数分解:

$2^4\times 5^3\times {\mathrm{109201}}^1$

素因数の和:109224

約数の個数: 40

約数和(自身を含む): 528100872

約数和(自身を除く): 309698872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 109201, 218402, 436804, 546005, 873608, 1092010, 1747216, 2184020, 2730025, 4368040, 5460050, 8736080, 10920100, 13650125, 21840200, 27300250, 43680400, 54600500, 109201000, 218402000]

約数ペア:

[(1, 218402000), (2, 109201000), (4, 54600500), (5, 43680400), (8, 27300250), (10, 21840200), (16, 13650125), (20, 10920100), (25, 8736080), (40, 5460050), (50, 4368040), (80, 2730025), (100, 2184020), (125, 1747216), (200, 1092010), (250, 873608), (400, 546005), (500, 436804), (1000, 218402), (2000, 109201)]