8982860

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 19790400

約数和(自身を除く): 10807540

約数列:

[1, 2, 4, 5, 10, 20, 37, 61, 74, 122, 148, 185, 199, 244, 305, 370, 398, 610, 740, 796, 995, 1220, 1990, 2257, 3980, 4514, 7363, 9028, 11285, 12139, 14726, 22570, 24278, 29452, 36815, 45140, 48556, 60695, 73630, 121390, 147260, 242780, 449143, 898286, 1796572, 2245715, 4491430, 8982860]

約数ペア:

[(1, 8982860), (2, 4491430), (4, 2245715), (5, 1796572), (10, 898286), (20, 449143), (37, 242780), (61, 147260), (74, 121390), (122, 73630), (148, 60695), (185, 48556), (199, 45140), (244, 36815), (305, 29452), (370, 24278), (398, 22570), (610, 14726), (740, 12139), (796, 11285), (995, 9028), (1220, 7363), (1990, 4514), (2257, 3980)]