201901520

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{148457}}^1$

素因数の和:148487

約数の個数: 40

約数和(自身を含む): 497037384

約数和(自身を除く): 295135864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 148457, 296914, 593828, 742285, 1187656, 1484570, 2375312, 2523769, 2969140, 5047538, 5938280, 10095076, 11876560, 12618845, 20190152, 25237690, 40380304, 50475380, 100950760, 201901520]

約数ペア:

[(1, 201901520), (2, 100950760), (4, 50475380), (5, 40380304), (8, 25237690), (10, 20190152), (16, 12618845), (17, 11876560), (20, 10095076), (34, 5938280), (40, 5047538), (68, 2969140), (80, 2523769), (85, 2375312), (136, 1484570), (170, 1187656), (272, 742285), (340, 593828), (680, 296914), (1360, 148457)]