211375280

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{155423}}^1$

素因数の和:155453

約数の個数: 40

約数和(自身を含む): 520359552

約数和(自身を除く): 308984272

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 155423, 310846, 621692, 777115, 1243384, 1554230, 2486768, 2642191, 3108460, 5284382, 6216920, 10568764, 12433840, 13210955, 21137528, 26421910, 42275056, 52843820, 105687640, 211375280]

約数ペア:

[(1, 211375280), (2, 105687640), (4, 52843820), (5, 42275056), (8, 26421910), (10, 21137528), (16, 13210955), (17, 12433840), (20, 10568764), (34, 6216920), (40, 5284382), (68, 3108460), (80, 2642191), (85, 2486768), (136, 1554230), (170, 1243384), (272, 777115), (340, 621692), (680, 310846), (1360, 155423)]