251065590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{2621}}^1$

素因数の和:2765

約数の個数: 64

約数和(自身を含む): 628273152

約数和(自身を除く): 377207562

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 103, 155, 186, 206, 309, 310, 465, 515, 618, 930, 1030, 1545, 2621, 3090, 3193, 5242, 6386, 7863, 9579, 13105, 15726, 15965, 19158, 26210, 31930, 39315, 47895, 78630, 81251, 95790, 162502, 243753, 269963, 406255, 487506, 539926, 809889, 812510, 1218765, 1349815, 1619778, 2437530, 2699630, 4049445, 8098890, 8368853, 16737706, 25106559, 41844265, 50213118, 83688530, 125532795, 251065590]

約数ペア:

[(1, 251065590), (2, 125532795), (3, 83688530), (5, 50213118), (6, 41844265), (10, 25106559), (15, 16737706), (30, 8368853), (31, 8098890), (62, 4049445), (93, 2699630), (103, 2437530), (155, 1619778), (186, 1349815), (206, 1218765), (309, 812510), (310, 809889), (465, 539926), (515, 487506), (618, 406255), (930, 269963), (1030, 243753), (1545, 162502), (2621, 95790), (3090, 81251), (3193, 78630), (5242, 47895), (6386, 39315), (7863, 31930), (9579, 26210), (13105, 19158), (15726, 15965)]