200319020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{349}}^1\times {\mathrm{2609}}^1$

素因数の和:2978

約数の個数: 48

約数和(自身を含む): 460404000

約数和(自身を除く): 260084980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 349, 698, 1396, 1745, 2609, 3490, 3839, 5218, 6980, 7678, 10436, 13045, 15356, 19195, 26090, 28699, 38390, 52180, 57398, 76780, 114796, 143495, 286990, 573980, 910541, 1821082, 3642164, 4552705, 9105410, 10015951, 18210820, 20031902, 40063804, 50079755, 100159510, 200319020]

約数ペア:

[(1, 200319020), (2, 100159510), (4, 50079755), (5, 40063804), (10, 20031902), (11, 18210820), (20, 10015951), (22, 9105410), (44, 4552705), (55, 3642164), (110, 1821082), (220, 910541), (349, 573980), (698, 286990), (1396, 143495), (1745, 114796), (2609, 76780), (3490, 57398), (3839, 52180), (5218, 38390), (6980, 28699), (7678, 26090), (10436, 19195), (13045, 15356)]