331355180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{467}}^1\times {\mathrm{2729}}^1$

素因数の和:3218

約数の個数: 48

約数和(自身を含む): 751252320

約数和(自身を除く): 419897140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 467, 934, 1868, 2335, 2729, 4670, 5458, 6071, 9340, 10916, 12142, 13645, 24284, 27290, 30355, 35477, 54580, 60710, 70954, 121420, 141908, 177385, 354770, 709540, 1274443, 2548886, 5097772, 6372215, 12744430, 16567759, 25488860, 33135518, 66271036, 82838795, 165677590, 331355180]

約数ペア:

[(1, 331355180), (2, 165677590), (4, 82838795), (5, 66271036), (10, 33135518), (13, 25488860), (20, 16567759), (26, 12744430), (52, 6372215), (65, 5097772), (130, 2548886), (260, 1274443), (467, 709540), (934, 354770), (1868, 177385), (2335, 141908), (2729, 121420), (4670, 70954), (5458, 60710), (6071, 54580), (9340, 35477), (10916, 30355), (12142, 27290), (13645, 24284)]