30481396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^3\times {\mathrm{101}}^1$

素因数の和:173

約数の個数: 48

約数和(自身を含む): 62032320

約数和(自身を除く): 31550924

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 101, 202, 209, 361, 404, 418, 722, 836, 1111, 1444, 1919, 2222, 3838, 3971, 4444, 6859, 7676, 7942, 13718, 15884, 21109, 27436, 36461, 42218, 72922, 75449, 84436, 145844, 150898, 301796, 401071, 692759, 802142, 1385518, 1604284, 2771036, 7620349, 15240698, 30481396]

約数ペア:

[(1, 30481396), (2, 15240698), (4, 7620349), (11, 2771036), (19, 1604284), (22, 1385518), (38, 802142), (44, 692759), (76, 401071), (101, 301796), (202, 150898), (209, 145844), (361, 84436), (404, 75449), (418, 72922), (722, 42218), (836, 36461), (1111, 27436), (1444, 21109), (1919, 15884), (2222, 13718), (3838, 7942), (3971, 7676), (4444, 6859)]