75439420

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{1571}}^1$

素因数の和:1608

約数の個数: 60

約数和(自身を含む): 184933224

約数和(自身を除く): 109493804

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1571, 1715, 2401, 3142, 3430, 4802, 6284, 6860, 7855, 9604, 10997, 12005, 15710, 21994, 24010, 31420, 43988, 48020, 54985, 76979, 109970, 153958, 219940, 307916, 384895, 538853, 769790, 1077706, 1539580, 2155412, 2694265, 3771971, 5388530, 7543942, 10777060, 15087884, 18859855, 37719710, 75439420]

約数ペア:

[(1, 75439420), (2, 37719710), (4, 18859855), (5, 15087884), (7, 10777060), (10, 7543942), (14, 5388530), (20, 3771971), (28, 2694265), (35, 2155412), (49, 1539580), (70, 1077706), (98, 769790), (140, 538853), (196, 384895), (245, 307916), (343, 219940), (490, 153958), (686, 109970), (980, 76979), (1372, 54985), (1571, 48020), (1715, 43988), (2401, 31420), (3142, 24010), (3430, 21994), (4802, 15710), (6284, 12005), (6860, 10997), (7855, 9604)]