2052802780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{145177}}^1$

素因数の和:145294

約数の個数: 48

約数和(自身を含む): 4975540416

約数和(自身を除く): 2922737636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 7070, 14140, 145177, 290354, 580708, 725885, 1016239, 1451770, 2032478, 2903540, 4064956, 5081195, 10162390, 14662877, 20324780, 29325754, 58651508, 73314385, 102640139, 146628770, 205280278, 293257540, 410560556, 513200695, 1026401390, 2052802780]

約数ペア:

[(1, 2052802780), (2, 1026401390), (4, 513200695), (5, 410560556), (7, 293257540), (10, 205280278), (14, 146628770), (20, 102640139), (28, 73314385), (35, 58651508), (70, 29325754), (101, 20324780), (140, 14662877), (202, 10162390), (404, 5081195), (505, 4064956), (707, 2903540), (1010, 2032478), (1414, 1451770), (2020, 1016239), (2828, 725885), (3535, 580708), (7070, 290354), (14140, 145177)]