9472820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{953}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 23079168

約数和(自身を除く): 13606348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 953, 994, 1420, 1906, 1988, 2485, 3812, 4765, 4970, 6671, 9530, 9940, 13342, 19060, 26684, 33355, 66710, 67663, 133420, 135326, 270652, 338315, 473641, 676630, 947282, 1353260, 1894564, 2368205, 4736410, 9472820]

約数ペア:

[(1, 9472820), (2, 4736410), (4, 2368205), (5, 1894564), (7, 1353260), (10, 947282), (14, 676630), (20, 473641), (28, 338315), (35, 270652), (70, 135326), (71, 133420), (140, 67663), (142, 66710), (284, 33355), (355, 26684), (497, 19060), (710, 13342), (953, 9940), (994, 9530), (1420, 6671), (1906, 4970), (1988, 4765), (2485, 3812)]