347620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:220

約数の個数: 48

約数和(自身を含む): 903168

約数和(自身を除く): 555548

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 191, 260, 364, 382, 455, 764, 910, 955, 1337, 1820, 1910, 2483, 2674, 3820, 4966, 5348, 6685, 9932, 12415, 13370, 17381, 24830, 26740, 34762, 49660, 69524, 86905, 173810, 347620]

約数ペア:

[(1, 347620), (2, 173810), (4, 86905), (5, 69524), (7, 49660), (10, 34762), (13, 26740), (14, 24830), (20, 17381), (26, 13370), (28, 12415), (35, 9932), (52, 6685), (65, 5348), (70, 4966), (91, 3820), (130, 2674), (140, 2483), (182, 1910), (191, 1820), (260, 1337), (364, 955), (382, 910), (455, 764)]