42253940

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:704

約数の個数: 48

約数和(自身を含む): 91929600

約数和(自身を除く): 49675660

約数列:

[1, 2, 4, 5, 10, 20, 47, 79, 94, 158, 188, 235, 316, 395, 470, 569, 790, 940, 1138, 1580, 2276, 2845, 3713, 5690, 7426, 11380, 14852, 18565, 26743, 37130, 44951, 53486, 74260, 89902, 106972, 133715, 179804, 224755, 267430, 449510, 534860, 899020, 2112697, 4225394, 8450788, 10563485, 21126970, 42253940]

約数ペア:

[(1, 42253940), (2, 21126970), (4, 10563485), (5, 8450788), (10, 4225394), (20, 2112697), (47, 899020), (79, 534860), (94, 449510), (158, 267430), (188, 224755), (235, 179804), (316, 133715), (395, 106972), (470, 89902), (569, 74260), (790, 53486), (940, 44951), (1138, 37130), (1580, 26743), (2276, 18565), (2845, 14852), (3713, 11380), (5690, 7426)]