2419820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 5630688

約数和(自身を除く): 3210868

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 227, 260, 410, 454, 533, 820, 908, 1066, 1135, 2132, 2270, 2665, 2951, 4540, 5330, 5902, 9307, 10660, 11804, 14755, 18614, 29510, 37228, 46535, 59020, 93070, 120991, 186140, 241982, 483964, 604955, 1209910, 2419820]

約数ペア:

[(1, 2419820), (2, 1209910), (4, 604955), (5, 483964), (10, 241982), (13, 186140), (20, 120991), (26, 93070), (41, 59020), (52, 46535), (65, 37228), (82, 29510), (130, 18614), (164, 14755), (205, 11804), (227, 10660), (260, 9307), (410, 5902), (454, 5330), (533, 4540), (820, 2951), (908, 2665), (1066, 2270), (1135, 2132)]