38730580

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{39521}}^1$

素因数の和:39544

約数の個数: 36

約数和(自身を含む): 94615668

約数和(自身を除く): 55885088

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 39521, 79042, 158084, 197605, 276647, 395210, 553294, 790420, 1106588, 1383235, 1936529, 2766470, 3873058, 5532940, 7746116, 9682645, 19365290, 38730580]

約数ペア:

[(1, 38730580), (2, 19365290), (4, 9682645), (5, 7746116), (7, 5532940), (10, 3873058), (14, 2766470), (20, 1936529), (28, 1383235), (35, 1106588), (49, 790420), (70, 553294), (98, 395210), (140, 276647), (196, 197605), (245, 158084), (490, 79042), (980, 39521)]