27101980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 60792480

約数和(自身を除く): 33690500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 977, 1387, 1460, 1954, 2774, 3908, 4885, 5548, 6935, 9770, 13870, 18563, 19540, 27740, 37126, 71321, 74252, 92815, 142642, 185630, 285284, 356605, 371260, 713210, 1355099, 1426420, 2710198, 5420396, 6775495, 13550990, 27101980]

約数ペア:

[(1, 27101980), (2, 13550990), (4, 6775495), (5, 5420396), (10, 2710198), (19, 1426420), (20, 1355099), (38, 713210), (73, 371260), (76, 356605), (95, 285284), (146, 185630), (190, 142642), (292, 92815), (365, 74252), (380, 71321), (730, 37126), (977, 27740), (1387, 19540), (1460, 18563), (1954, 13870), (2774, 9770), (3908, 6935), (4885, 5548)]