207944920

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{110609}}^1$

素因数の和:110667

約数の個数: 32

約数和(自身を含む): 477835200

約数和(自身を除く): 269890280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 110609, 221218, 442436, 553045, 884872, 1106090, 2212180, 4424360, 5198623, 10397246, 20794492, 25993115, 41588984, 51986230, 103972460, 207944920]

約数ペア:

[(1, 207944920), (2, 103972460), (4, 51986230), (5, 41588984), (8, 25993115), (10, 20794492), (20, 10397246), (40, 5198623), (47, 4424360), (94, 2212180), (188, 1106090), (235, 884872), (376, 553045), (470, 442436), (940, 221218), (1880, 110609)]