814890050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{65983}}^1$

素因数の和:66027

約数の個数: 48

約数和(自身を含む): 1718223360

約数和(自身を除く): 903333310

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 2470, 6175, 12350, 65983, 131966, 329915, 659830, 857779, 1253677, 1649575, 1715558, 2507354, 3299150, 4288895, 6268385, 8577790, 12536770, 16297801, 21444475, 31341925, 32595602, 42888950, 62683850, 81489005, 162978010, 407445025, 814890050]

約数ペア:

[(1, 814890050), (2, 407445025), (5, 162978010), (10, 81489005), (13, 62683850), (19, 42888950), (25, 32595602), (26, 31341925), (38, 21444475), (50, 16297801), (65, 12536770), (95, 8577790), (130, 6268385), (190, 4288895), (247, 3299150), (325, 2507354), (475, 1715558), (494, 1649575), (650, 1253677), (950, 857779), (1235, 659830), (2470, 329915), (6175, 131966), (12350, 65983)]