220142860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{5441}}^1$

素因数の和:5491

約数の個数: 72

約数和(自身を含む): 561353184

約数和(自身を除く): 341210324

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 289, 340, 476, 578, 595, 1156, 1190, 1445, 2023, 2380, 2890, 4046, 5441, 5780, 8092, 10115, 10882, 20230, 21764, 27205, 38087, 40460, 54410, 76174, 92497, 108820, 152348, 184994, 190435, 369988, 380870, 462485, 647479, 761740, 924970, 1294958, 1572449, 1849940, 2589916, 3144898, 3237395, 6289796, 6474790, 7862245, 11007143, 12949580, 15724490, 22014286, 31448980, 44028572, 55035715, 110071430, 220142860]

約数ペア:

[(1, 220142860), (2, 110071430), (4, 55035715), (5, 44028572), (7, 31448980), (10, 22014286), (14, 15724490), (17, 12949580), (20, 11007143), (28, 7862245), (34, 6474790), (35, 6289796), (68, 3237395), (70, 3144898), (85, 2589916), (119, 1849940), (140, 1572449), (170, 1294958), (238, 924970), (289, 761740), (340, 647479), (476, 462485), (578, 380870), (595, 369988), (1156, 190435), (1190, 184994), (1445, 152348), (2023, 108820), (2380, 92497), (2890, 76174), (4046, 54410), (5441, 40460), (5780, 38087), (8092, 27205), (10115, 21764), (10882, 20230)]