153645940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{20707}}^1$

素因数の和:20776

約数の個数: 48

約数和(自身を含む): 375725952

約数和(自身を除く): 222080012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 3710, 7420, 20707, 41414, 82828, 103535, 144949, 207070, 289898, 414140, 579796, 724745, 1097471, 1449490, 2194942, 2898980, 4389884, 5487355, 7682297, 10974710, 15364594, 21949420, 30729188, 38411485, 76822970, 153645940]

約数ペア:

[(1, 153645940), (2, 76822970), (4, 38411485), (5, 30729188), (7, 21949420), (10, 15364594), (14, 10974710), (20, 7682297), (28, 5487355), (35, 4389884), (53, 2898980), (70, 2194942), (106, 1449490), (140, 1097471), (212, 724745), (265, 579796), (371, 414140), (530, 289898), (742, 207070), (1060, 144949), (1484, 103535), (1855, 82828), (3710, 41414), (7420, 20707)]