6658540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 16128000

約数和(自身を除く): 9469460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 199, 239, 398, 478, 796, 956, 995, 1195, 1393, 1673, 1990, 2390, 2786, 3346, 3980, 4780, 5572, 6692, 6965, 8365, 13930, 16730, 27860, 33460, 47561, 95122, 190244, 237805, 332927, 475610, 665854, 951220, 1331708, 1664635, 3329270, 6658540]

約数ペア:

[(1, 6658540), (2, 3329270), (4, 1664635), (5, 1331708), (7, 951220), (10, 665854), (14, 475610), (20, 332927), (28, 237805), (35, 190244), (70, 95122), (140, 47561), (199, 33460), (239, 27860), (398, 16730), (478, 13930), (796, 8365), (956, 6965), (995, 6692), (1195, 5572), (1393, 4780), (1673, 3980), (1990, 3346), (2390, 2786)]