164019020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{39239}}^1$

素因数の和:39278

約数の個数: 48

約数和(自身を含む): 395539200

約数和(自身を除く): 231520180

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 39239, 78478, 156956, 196195, 392390, 431629, 745541, 784780, 863258, 1491082, 1726516, 2158145, 2982164, 3727705, 4316290, 7455410, 8200951, 8632580, 14910820, 16401902, 32803804, 41004755, 82009510, 164019020]

約数ペア:

[(1, 164019020), (2, 82009510), (4, 41004755), (5, 32803804), (10, 16401902), (11, 14910820), (19, 8632580), (20, 8200951), (22, 7455410), (38, 4316290), (44, 3727705), (55, 2982164), (76, 2158145), (95, 1726516), (110, 1491082), (190, 863258), (209, 784780), (220, 745541), (380, 431629), (418, 392390), (836, 196195), (1045, 156956), (2090, 78478), (4180, 39239)]