7348501420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{398077}}^1$

素因数の和:398170

約数の個数: 48

約数和(自身を含む): 16853030208

約数和(自身を除く): 9504528788

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 18460, 398077, 796154, 1592308, 1990385, 3980770, 5175001, 7961540, 10350002, 20700004, 25875005, 28263467, 51750010, 56526934, 103500020, 113053868, 141317335, 282634670, 367425071, 565269340, 734850142, 1469700284, 1837125355, 3674250710, 7348501420]

約数ペア:

[(1, 7348501420), (2, 3674250710), (4, 1837125355), (5, 1469700284), (10, 734850142), (13, 565269340), (20, 367425071), (26, 282634670), (52, 141317335), (65, 113053868), (71, 103500020), (130, 56526934), (142, 51750010), (260, 28263467), (284, 25875005), (355, 20700004), (710, 10350002), (923, 7961540), (1420, 5175001), (1846, 3980770), (3692, 1990385), (4615, 1592308), (9230, 796154), (18460, 398077)]