201993990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{21107}}^1$

素因数の和:21157

約数の個数: 64

約数和(自身を含む): 547119360

約数和(自身を除く): 345125370

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 145, 165, 174, 290, 319, 330, 435, 638, 870, 957, 1595, 1914, 3190, 4785, 9570, 21107, 42214, 63321, 105535, 126642, 211070, 232177, 316605, 464354, 612103, 633210, 696531, 1160885, 1224206, 1393062, 1836309, 2321770, 3060515, 3482655, 3672618, 6121030, 6733133, 6965310, 9181545, 13466266, 18363090, 20199399, 33665665, 40398798, 67331330, 100996995, 201993990]

約数ペア:

[(1, 201993990), (2, 100996995), (3, 67331330), (5, 40398798), (6, 33665665), (10, 20199399), (11, 18363090), (15, 13466266), (22, 9181545), (29, 6965310), (30, 6733133), (33, 6121030), (55, 3672618), (58, 3482655), (66, 3060515), (87, 2321770), (110, 1836309), (145, 1393062), (165, 1224206), (174, 1160885), (290, 696531), (319, 633210), (330, 612103), (435, 464354), (638, 316605), (870, 232177), (957, 211070), (1595, 126642), (1914, 105535), (3190, 63321), (4785, 42214), (9570, 21107)]