13317080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 34560000

約数和(自身を除く): 21242920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 199, 239, 280, 398, 478, 796, 956, 995, 1195, 1393, 1592, 1673, 1912, 1990, 2390, 2786, 3346, 3980, 4780, 5572, 6692, 6965, 7960, 8365, 9560, 11144, 13384, 13930, 16730, 27860, 33460, 47561, 55720, 66920, 95122, 190244, 237805, 332927, 380488, 475610, 665854, 951220, 1331708, 1664635, 1902440, 2663416, 3329270, 6658540, 13317080]

約数ペア:

[(1, 13317080), (2, 6658540), (4, 3329270), (5, 2663416), (7, 1902440), (8, 1664635), (10, 1331708), (14, 951220), (20, 665854), (28, 475610), (35, 380488), (40, 332927), (56, 237805), (70, 190244), (140, 95122), (199, 66920), (239, 55720), (280, 47561), (398, 33460), (478, 27860), (796, 16730), (956, 13930), (995, 13384), (1195, 11144), (1393, 9560), (1592, 8365), (1673, 7960), (1912, 6965), (1990, 6692), (2390, 5572), (2786, 4780), (3346, 3980)]