290480890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{8521}}^1$

素因数の和:9022

約数の個数: 32

約数和(自身を含む): 598857984

約数和(自身を除く): 308377094

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 487, 974, 2435, 3409, 4870, 6818, 8521, 17042, 17045, 34090, 42605, 59647, 85210, 119294, 298235, 596470, 4149727, 8299454, 20748635, 29048089, 41497270, 58096178, 145240445, 290480890]

約数ペア:

[(1, 290480890), (2, 145240445), (5, 58096178), (7, 41497270), (10, 29048089), (14, 20748635), (35, 8299454), (70, 4149727), (487, 596470), (974, 298235), (2435, 119294), (3409, 85210), (4870, 59647), (6818, 42605), (8521, 34090), (17042, 17045)]