291214820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{23831}}^1$

素因数の和:23900

約数の個数: 48

約数和(自身を含む): 672634368

約数和(自身を除く): 381419548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 47, 52, 65, 94, 130, 188, 235, 260, 470, 611, 940, 1222, 2444, 3055, 6110, 12220, 23831, 47662, 95324, 119155, 238310, 309803, 476620, 619606, 1120057, 1239212, 1549015, 2240114, 3098030, 4480228, 5600285, 6196060, 11200570, 14560741, 22401140, 29121482, 58242964, 72803705, 145607410, 291214820]

約数ペア:

[(1, 291214820), (2, 145607410), (4, 72803705), (5, 58242964), (10, 29121482), (13, 22401140), (20, 14560741), (26, 11200570), (47, 6196060), (52, 5600285), (65, 4480228), (94, 3098030), (130, 2240114), (188, 1549015), (235, 1239212), (260, 1120057), (470, 619606), (611, 476620), (940, 309803), (1222, 238310), (2444, 119155), (3055, 95324), (6110, 47662), (12220, 23831)]