74345540

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{569}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 160876800

約数和(自身を除く): 86531260

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 139, 188, 235, 278, 470, 556, 569, 695, 940, 1138, 1390, 2276, 2780, 2845, 5690, 6533, 11380, 13066, 26132, 26743, 32665, 53486, 65330, 79091, 106972, 130660, 133715, 158182, 267430, 316364, 395455, 534860, 790910, 1581820, 3717277, 7434554, 14869108, 18586385, 37172770, 74345540]

約数ペア:

[(1, 74345540), (2, 37172770), (4, 18586385), (5, 14869108), (10, 7434554), (20, 3717277), (47, 1581820), (94, 790910), (139, 534860), (188, 395455), (235, 316364), (278, 267430), (470, 158182), (556, 133715), (569, 130660), (695, 106972), (940, 79091), (1138, 65330), (1390, 53486), (2276, 32665), (2780, 26743), (2845, 26132), (5690, 13066), (6533, 11380)]