243291250

素因数分解:

$2^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{107}}^2$

素因数の和:253

約数の個数: 60

約数和(自身を含む): 487404918

約数和(自身を除く): 244113668

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 107, 125, 170, 214, 250, 425, 535, 625, 850, 1070, 1250, 1819, 2125, 2675, 3638, 4250, 5350, 9095, 10625, 11449, 13375, 18190, 21250, 22898, 26750, 45475, 57245, 66875, 90950, 114490, 133750, 194633, 227375, 286225, 389266, 454750, 572450, 973165, 1136875, 1431125, 1946330, 2273750, 2862250, 4865825, 7155625, 9731650, 14311250, 24329125, 48658250, 121645625, 243291250]

約数ペア:

[(1, 243291250), (2, 121645625), (5, 48658250), (10, 24329125), (17, 14311250), (25, 9731650), (34, 7155625), (50, 4865825), (85, 2862250), (107, 2273750), (125, 1946330), (170, 1431125), (214, 1136875), (250, 973165), (425, 572450), (535, 454750), (625, 389266), (850, 286225), (1070, 227375), (1250, 194633), (1819, 133750), (2125, 114490), (2675, 90950), (3638, 66875), (4250, 57245), (5350, 45475), (9095, 26750), (10625, 22898), (11449, 21250), (13375, 18190)]