409849220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{14221}}^1$

素因数の和:14372

約数の個数: 48

約数和(自身を含む): 946161216

約数和(自身を除く): 536311996

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 131, 220, 262, 524, 655, 1310, 1441, 2620, 2882, 5764, 7205, 14221, 14410, 28442, 28820, 56884, 71105, 142210, 156431, 284420, 312862, 625724, 782155, 1564310, 1862951, 3128620, 3725902, 7451804, 9314755, 18629510, 20492461, 37259020, 40984922, 81969844, 102462305, 204924610, 409849220]

約数ペア:

[(1, 409849220), (2, 204924610), (4, 102462305), (5, 81969844), (10, 40984922), (11, 37259020), (20, 20492461), (22, 18629510), (44, 9314755), (55, 7451804), (110, 3725902), (131, 3128620), (220, 1862951), (262, 1564310), (524, 782155), (655, 625724), (1310, 312862), (1441, 284420), (2620, 156431), (2882, 142210), (5764, 71105), (7205, 56884), (14221, 28820), (14410, 28442)]