750130180

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{239}}^1\times {\mathrm{1129}}^1$

素因数の和:1516

約数の個数: 48

約数和(自身を含む): 1594656000

約数和(自身を除く): 844525820

約数列:

[1, 2, 4, 5, 10, 20, 139, 239, 278, 478, 556, 695, 956, 1129, 1195, 1390, 2258, 2390, 2780, 4516, 4780, 5645, 11290, 22580, 33221, 66442, 132884, 156931, 166105, 269831, 313862, 332210, 539662, 627724, 664420, 784655, 1079324, 1349155, 1569310, 2698310, 3138620, 5396620, 37506509, 75013018, 150026036, 187532545, 375065090, 750130180]

約数ペア:

[(1, 750130180), (2, 375065090), (4, 187532545), (5, 150026036), (10, 75013018), (20, 37506509), (139, 5396620), (239, 3138620), (278, 2698310), (478, 1569310), (556, 1349155), (695, 1079324), (956, 784655), (1129, 664420), (1195, 627724), (1390, 539662), (2258, 332210), (2390, 313862), (2780, 269831), (4516, 166105), (4780, 156931), (5645, 132884), (11290, 66442), (22580, 33221)]