201444620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:699

約数の個数: 72

約数和(自身を含む): 463189104

約数和(自身を除く): 261744484

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 107, 130, 169, 214, 260, 338, 428, 535, 557, 676, 845, 1070, 1114, 1391, 1690, 2140, 2228, 2782, 2785, 3380, 5564, 5570, 6955, 7241, 11140, 13910, 14482, 18083, 27820, 28964, 36166, 36205, 59599, 72332, 72410, 90415, 94133, 119198, 144820, 180830, 188266, 238396, 297995, 361660, 376532, 470665, 595990, 774787, 941330, 1191980, 1549574, 1882660, 3099148, 3873935, 7747870, 10072231, 15495740, 20144462, 40288924, 50361155, 100722310, 201444620]

約数ペア:

[(1, 201444620), (2, 100722310), (4, 50361155), (5, 40288924), (10, 20144462), (13, 15495740), (20, 10072231), (26, 7747870), (52, 3873935), (65, 3099148), (107, 1882660), (130, 1549574), (169, 1191980), (214, 941330), (260, 774787), (338, 595990), (428, 470665), (535, 376532), (557, 361660), (676, 297995), (845, 238396), (1070, 188266), (1114, 180830), (1391, 144820), (1690, 119198), (2140, 94133), (2228, 90415), (2782, 72410), (2785, 72332), (3380, 59599), (5564, 36205), (5570, 36166), (6955, 28964), (7241, 27820), (11140, 18083), (13910, 14482)]