229553780

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{911}}^1$

素因数の和:1256

約数の個数: 48

約数和(自身を含む): 495500544

約数和(自身を除く): 265946764

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 293, 430, 586, 860, 911, 1172, 1465, 1822, 2930, 3644, 4555, 5860, 9110, 12599, 18220, 25198, 39173, 50396, 62995, 78346, 125990, 156692, 195865, 251980, 266923, 391730, 533846, 783460, 1067692, 1334615, 2669230, 5338460, 11477689, 22955378, 45910756, 57388445, 114776890, 229553780]

約数ペア:

[(1, 229553780), (2, 114776890), (4, 57388445), (5, 45910756), (10, 22955378), (20, 11477689), (43, 5338460), (86, 2669230), (172, 1334615), (215, 1067692), (293, 783460), (430, 533846), (586, 391730), (860, 266923), (911, 251980), (1172, 195865), (1465, 156692), (1822, 125990), (2930, 78346), (3644, 62995), (4555, 50396), (5860, 39173), (9110, 25198), (12599, 18220)]