87870860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{57059}}^1$

素因数の和:57086

約数の個数: 48

約数和(自身を含む): 230065920

約数和(自身を除く): 142195060

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 57059, 114118, 228236, 285295, 399413, 570590, 627649, 798826, 1141180, 1255298, 1597652, 1997065, 2510596, 3138245, 3994130, 4393543, 6276490, 7988260, 8787086, 12552980, 17574172, 21967715, 43935430, 87870860]

約数ペア:

[(1, 87870860), (2, 43935430), (4, 21967715), (5, 17574172), (7, 12552980), (10, 8787086), (11, 7988260), (14, 6276490), (20, 4393543), (22, 3994130), (28, 3138245), (35, 2510596), (44, 1997065), (55, 1597652), (70, 1255298), (77, 1141180), (110, 798826), (140, 627649), (154, 570590), (220, 399413), (308, 285295), (385, 228236), (770, 114118), (1540, 57059)]