778923860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{272351}}^1$

素因数の和:272384

約数の個数: 48

約数和(自身を含む): 1921715712

約数和(自身を除く): 1142791852

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 272351, 544702, 1089404, 1361755, 2723510, 2995861, 3540563, 5447020, 5991722, 7081126, 11983444, 14162252, 14979305, 17702815, 29958610, 35405630, 38946193, 59917220, 70811260, 77892386, 155784772, 194730965, 389461930, 778923860]

約数ペア:

[(1, 778923860), (2, 389461930), (4, 194730965), (5, 155784772), (10, 77892386), (11, 70811260), (13, 59917220), (20, 38946193), (22, 35405630), (26, 29958610), (44, 17702815), (52, 14979305), (55, 14162252), (65, 11983444), (110, 7081126), (130, 5991722), (143, 5447020), (220, 3540563), (260, 2995861), (286, 2723510), (572, 1361755), (715, 1089404), (1430, 544702), (2860, 272351)]