83753020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:455

約数の個数: 72

約数和(自身を含む): 193687200

約数和(自身を除く): 109934180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 169, 260, 284, 338, 349, 355, 676, 698, 710, 845, 923, 1396, 1420, 1690, 1745, 1846, 3380, 3490, 3692, 4537, 4615, 6980, 9074, 9230, 11999, 18148, 18460, 22685, 23998, 24779, 45370, 47996, 49558, 58981, 59995, 90740, 99116, 117962, 119990, 123895, 235924, 239980, 247790, 294905, 322127, 495580, 589810, 644254, 1179620, 1288508, 1610635, 3221270, 4187651, 6442540, 8375302, 16750604, 20938255, 41876510, 83753020]

約数ペア:

[(1, 83753020), (2, 41876510), (4, 20938255), (5, 16750604), (10, 8375302), (13, 6442540), (20, 4187651), (26, 3221270), (52, 1610635), (65, 1288508), (71, 1179620), (130, 644254), (142, 589810), (169, 495580), (260, 322127), (284, 294905), (338, 247790), (349, 239980), (355, 235924), (676, 123895), (698, 119990), (710, 117962), (845, 99116), (923, 90740), (1396, 59995), (1420, 58981), (1690, 49558), (1745, 47996), (1846, 45370), (3380, 24779), (3490, 23998), (3692, 22685), (4537, 18460), (4615, 18148), (6980, 11999), (9074, 9230)]