9922900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{449}}^1$

素因数の和:493

約数の個数: 72

約数和(自身を含む): 24607800

約数和(自身を除く): 14684900

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 449, 650, 850, 884, 898, 1105, 1300, 1700, 1796, 2210, 2245, 4420, 4490, 5525, 5837, 7633, 8980, 11050, 11225, 11674, 15266, 22100, 22450, 23348, 29185, 30532, 38165, 44900, 58370, 76330, 99229, 116740, 145925, 152660, 190825, 198458, 291850, 381650, 396916, 496145, 583700, 763300, 992290, 1984580, 2480725, 4961450, 9922900]

約数ペア:

[(1, 9922900), (2, 4961450), (4, 2480725), (5, 1984580), (10, 992290), (13, 763300), (17, 583700), (20, 496145), (25, 396916), (26, 381650), (34, 291850), (50, 198458), (52, 190825), (65, 152660), (68, 145925), (85, 116740), (100, 99229), (130, 76330), (170, 58370), (221, 44900), (260, 38165), (325, 30532), (340, 29185), (425, 23348), (442, 22450), (449, 22100), (650, 15266), (850, 11674), (884, 11225), (898, 11050), (1105, 8980), (1300, 7633), (1700, 5837), (1796, 5525), (2210, 4490), (2245, 4420)]