30378760

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{24499}}^1$

素因数の和:24541

約数の個数: 32

約数和(自身を含む): 70560000

約数和(自身を除く): 40181240

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 24499, 48998, 97996, 122495, 195992, 244990, 489980, 759469, 979960, 1518938, 3037876, 3797345, 6075752, 7594690, 15189380, 30378760]

約数ペア:

[(1, 30378760), (2, 15189380), (4, 7594690), (5, 6075752), (8, 3797345), (10, 3037876), (20, 1518938), (31, 979960), (40, 759469), (62, 489980), (124, 244990), (155, 195992), (248, 122495), (310, 97996), (620, 48998), (1240, 24499)]