1294263400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{157837}}^1$

素因数の和:157894

約数の個数: 48

約数和(自身を含む): 3082576140

約数和(自身を除く): 1788312740

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 4100, 8200, 157837, 315674, 631348, 789185, 1262696, 1578370, 3156740, 3945925, 6313480, 6471317, 7891850, 12942634, 15783700, 25885268, 31567400, 32356585, 51770536, 64713170, 129426340, 161782925, 258852680, 323565850, 647131700, 1294263400]

約数ペア:

[(1, 1294263400), (2, 647131700), (4, 323565850), (5, 258852680), (8, 161782925), (10, 129426340), (20, 64713170), (25, 51770536), (40, 32356585), (41, 31567400), (50, 25885268), (82, 15783700), (100, 12942634), (164, 7891850), (200, 6471317), (205, 6313480), (328, 3945925), (410, 3156740), (820, 1578370), (1025, 1262696), (1640, 789185), (2050, 631348), (4100, 315674), (8200, 157837)]