269538100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:470

約数の個数: 108

約数和(自身を含む): 650466180

約数和(自身を除く): 380928080

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 41, 50, 52, 65, 82, 100, 130, 164, 169, 205, 260, 325, 338, 389, 410, 533, 650, 676, 778, 820, 845, 1025, 1066, 1300, 1556, 1690, 1945, 2050, 2132, 2665, 3380, 3890, 4100, 4225, 5057, 5330, 6929, 7780, 8450, 9725, 10114, 10660, 13325, 13858, 15949, 16900, 19450, 20228, 25285, 26650, 27716, 31898, 34645, 38900, 50570, 53300, 63796, 65741, 69290, 79745, 101140, 126425, 131482, 138580, 159490, 173225, 207337, 252850, 262964, 318980, 328705, 346450, 398725, 414674, 505700, 657410, 692900, 797450, 829348, 1036685, 1314820, 1594900, 1643525, 2073370, 2695381, 3287050, 4146740, 5183425, 5390762, 6574100, 10366850, 10781524, 13476905, 20733700, 26953810, 53907620, 67384525, 134769050, 269538100]

約数ペア:

[(1, 269538100), (2, 134769050), (4, 67384525), (5, 53907620), (10, 26953810), (13, 20733700), (20, 13476905), (25, 10781524), (26, 10366850), (41, 6574100), (50, 5390762), (52, 5183425), (65, 4146740), (82, 3287050), (100, 2695381), (130, 2073370), (164, 1643525), (169, 1594900), (205, 1314820), (260, 1036685), (325, 829348), (338, 797450), (389, 692900), (410, 657410), (533, 505700), (650, 414674), (676, 398725), (778, 346450), (820, 328705), (845, 318980), (1025, 262964), (1066, 252850), (1300, 207337), (1556, 173225), (1690, 159490), (1945, 138580), (2050, 131482), (2132, 126425), (2665, 101140), (3380, 79745), (3890, 69290), (4100, 65741), (4225, 63796), (5057, 53300), (5330, 50570), (6929, 38900), (7780, 34645), (8450, 31898), (9725, 27716), (10114, 26650), (10660, 25285), (13325, 20228), (13858, 19450), (15949, 16900)]