289447640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{13679}}^1$

素因数の和:13736

約数の個数: 48

約数和(自身を含む): 680853600

約数和(自身を除く): 391405960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 529, 920, 1058, 2116, 2645, 4232, 5290, 10580, 13679, 21160, 27358, 54716, 68395, 109432, 136790, 273580, 314617, 547160, 629234, 1258468, 1573085, 2516936, 3146170, 6292340, 7236191, 12584680, 14472382, 28944764, 36180955, 57889528, 72361910, 144723820, 289447640]

約数ペア:

[(1, 289447640), (2, 144723820), (4, 72361910), (5, 57889528), (8, 36180955), (10, 28944764), (20, 14472382), (23, 12584680), (40, 7236191), (46, 6292340), (92, 3146170), (115, 2516936), (184, 1573085), (230, 1258468), (460, 629234), (529, 547160), (920, 314617), (1058, 273580), (2116, 136790), (2645, 109432), (4232, 68395), (5290, 54716), (10580, 27358), (13679, 21160)]