4280490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:451

約数の個数: 48

約数和(自身を含む): 11232000

約数和(自身を除く): 6951510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199, 239, 398, 478, 597, 717, 995, 1194, 1195, 1434, 1791, 1990, 2151, 2390, 2985, 3582, 3585, 4302, 5970, 7170, 8955, 10755, 17910, 21510, 47561, 95122, 142683, 237805, 285366, 428049, 475610, 713415, 856098, 1426830, 2140245, 4280490]

約数ペア:

[(1, 4280490), (2, 2140245), (3, 1426830), (5, 856098), (6, 713415), (9, 475610), (10, 428049), (15, 285366), (18, 237805), (30, 142683), (45, 95122), (90, 47561), (199, 21510), (239, 17910), (398, 10755), (478, 8955), (597, 7170), (717, 5970), (995, 4302), (1194, 3585), (1195, 3582), (1434, 2985), (1791, 2390), (1990, 2151)]