30991810

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{1061}}^1$

素因数の和:1218

約数の個数: 32

約数和(自身を含む): 58724352

約数和(自身を除く): 27732542

約数列:

[1, 2, 5, 10, 23, 46, 115, 127, 230, 254, 635, 1061, 1270, 2122, 2921, 5305, 5842, 10610, 14605, 24403, 29210, 48806, 122015, 134747, 244030, 269494, 673735, 1347470, 3099181, 6198362, 15495905, 30991810]

約数ペア:

[(1, 30991810), (2, 15495905), (5, 6198362), (10, 3099181), (23, 1347470), (46, 673735), (115, 269494), (127, 244030), (230, 134747), (254, 122015), (635, 48806), (1061, 29210), (1270, 24403), (2122, 14605), (2921, 10610), (5305, 5842)]