289325420

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{1321}}^1$

素因数の和:1610

約数の個数: 48

約数和(自身を含む): 623645568

約数和(自身を除く): 334320148

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 233, 235, 466, 470, 932, 940, 1165, 1321, 2330, 2642, 4660, 5284, 6605, 10951, 13210, 21902, 26420, 43804, 54755, 62087, 109510, 124174, 219020, 248348, 307793, 310435, 615586, 620870, 1231172, 1241740, 1538965, 3077930, 6155860, 14466271, 28932542, 57865084, 72331355, 144662710, 289325420]

約数ペア:

[(1, 289325420), (2, 144662710), (4, 72331355), (5, 57865084), (10, 28932542), (20, 14466271), (47, 6155860), (94, 3077930), (188, 1538965), (233, 1241740), (235, 1231172), (466, 620870), (470, 615586), (932, 310435), (940, 307793), (1165, 248348), (1321, 219020), (2330, 124174), (2642, 109510), (4660, 62087), (5284, 54755), (6605, 43804), (10951, 26420), (13210, 21902)]