20968049450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{218531}}^1$

素因数の和:218663

約数の個数: 48

約数和(自身を含む): 41459891040

約数和(自身を除く): 20491841590

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 101, 190, 202, 475, 505, 950, 1010, 1919, 2525, 3838, 5050, 9595, 19190, 47975, 95950, 218531, 437062, 1092655, 2185310, 4152089, 5463275, 8304178, 10926550, 20760445, 22071631, 41520890, 44143262, 103802225, 110358155, 207604450, 220716310, 419360989, 551790775, 838721978, 1103581550, 2096804945, 4193609890, 10484024725, 20968049450]

約数ペア:

[(1, 20968049450), (2, 10484024725), (5, 4193609890), (10, 2096804945), (19, 1103581550), (25, 838721978), (38, 551790775), (50, 419360989), (95, 220716310), (101, 207604450), (190, 110358155), (202, 103802225), (475, 44143262), (505, 41520890), (950, 22071631), (1010, 20760445), (1919, 10926550), (2525, 8304178), (3838, 5463275), (5050, 4152089), (9595, 2185310), (19190, 1092655), (47975, 437062), (95950, 218531)]