1489968280

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{329639}}^1$

素因数の和:329763

約数の個数: 32

約数和(自身を含む): 3382106400

約数和(自身を除く): 1892138120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 329639, 659278, 1318556, 1648195, 2637112, 3296390, 6592780, 13185560, 37249207, 74498414, 148996828, 186246035, 297993656, 372492070, 744984140, 1489968280]

約数ペア:

[(1, 1489968280), (2, 744984140), (4, 372492070), (5, 297993656), (8, 186246035), (10, 148996828), (20, 74498414), (40, 37249207), (113, 13185560), (226, 6592780), (452, 3296390), (565, 2637112), (904, 1648195), (1130, 1318556), (2260, 659278), (4520, 329639)]