290596740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{691897}}^1$

素因数の和:691916

約数の個数: 48

約数和(自身を含む): 929910912

約数和(自身を除く): 639314172

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 691897, 1383794, 2075691, 2767588, 3459485, 4151382, 4843279, 6918970, 8302764, 9686558, 10378455, 13837940, 14529837, 19373116, 20756910, 24216395, 29059674, 41513820, 48432790, 58119348, 72649185, 96865580, 145298370, 290596740]

約数ペア:

[(1, 290596740), (2, 145298370), (3, 96865580), (4, 72649185), (5, 58119348), (6, 48432790), (7, 41513820), (10, 29059674), (12, 24216395), (14, 20756910), (15, 19373116), (20, 14529837), (21, 13837940), (28, 10378455), (30, 9686558), (35, 8302764), (42, 6918970), (60, 4843279), (70, 4151382), (84, 3459485), (105, 2767588), (140, 2075691), (210, 1383794), (420, 691897)]