378113380

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{309929}}^1$

素因数の和:309999

約数の個数: 24

約数和(自身を含む): 807057720

約数和(自身を除く): 428944340

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 309929, 619858, 1239716, 1549645, 3099290, 6198580, 18905669, 37811338, 75622676, 94528345, 189056690, 378113380]

約数ペア:

[(1, 378113380), (2, 189056690), (4, 94528345), (5, 75622676), (10, 37811338), (20, 18905669), (61, 6198580), (122, 3099290), (244, 1549645), (305, 1239716), (610, 619858), (1220, 309929)]