281140830

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{43997}}^1$

素因数の和:44081

約数の個数: 48

約数和(自身を含む): 741278304

約数和(自身を除く): 460137474

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390, 43997, 87994, 131991, 219985, 263982, 395973, 439970, 659955, 791946, 1319910, 1979865, 3123787, 3959730, 6247574, 9371361, 15618935, 18742722, 28114083, 31237870, 46856805, 56228166, 93713610, 140570415, 281140830]

約数ペア:

[(1, 281140830), (2, 140570415), (3, 93713610), (5, 56228166), (6, 46856805), (9, 31237870), (10, 28114083), (15, 18742722), (18, 15618935), (30, 9371361), (45, 6247574), (71, 3959730), (90, 3123787), (142, 1979865), (213, 1319910), (355, 791946), (426, 659955), (639, 439970), (710, 395973), (1065, 263982), (1278, 219985), (2130, 131991), (3195, 87994), (6390, 43997)]