30903728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{1723}}^1$

素因数の和:1809

約数の個数: 40

約数和(自身を含む): 64132800

約数和(自身を除く): 33229072

約数列:

[1, 2, 4, 8, 16, 19, 38, 59, 76, 118, 152, 236, 304, 472, 944, 1121, 1723, 2242, 3446, 4484, 6892, 8968, 13784, 17936, 27568, 32737, 65474, 101657, 130948, 203314, 261896, 406628, 523792, 813256, 1626512, 1931483, 3862966, 7725932, 15451864, 30903728]

約数ペア:

[(1, 30903728), (2, 15451864), (4, 7725932), (8, 3862966), (16, 1931483), (19, 1626512), (38, 813256), (59, 523792), (76, 406628), (118, 261896), (152, 203314), (236, 130948), (304, 101657), (472, 65474), (944, 32737), (1121, 27568), (1723, 17936), (2242, 13784), (3446, 8968), (4484, 6892)]