197702980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{7127}}^1$

素因数の和:7228

約数の個数: 48

約数和(自身を含む): 443076480

約数和(自身を除く): 245373500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 73, 76, 95, 146, 190, 292, 365, 380, 730, 1387, 1460, 2774, 5548, 6935, 7127, 13870, 14254, 27740, 28508, 35635, 71270, 135413, 142540, 270826, 520271, 541652, 677065, 1040542, 1354130, 2081084, 2601355, 2708260, 5202710, 9885149, 10405420, 19770298, 39540596, 49425745, 98851490, 197702980]

約数ペア:

[(1, 197702980), (2, 98851490), (4, 49425745), (5, 39540596), (10, 19770298), (19, 10405420), (20, 9885149), (38, 5202710), (73, 2708260), (76, 2601355), (95, 2081084), (146, 1354130), (190, 1040542), (292, 677065), (365, 541652), (380, 520271), (730, 270826), (1387, 142540), (1460, 135413), (2774, 71270), (5548, 35635), (6935, 28508), (7127, 27740), (13870, 14254)]