393256640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{419}}^2$

素因数の和:862

約数の個数: 84

約数和(自身を含む): 1072780176

約数和(自身を除く): 679523536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 419, 448, 560, 838, 1120, 1676, 2095, 2240, 2933, 3352, 4190, 5866, 6704, 8380, 11732, 13408, 14665, 16760, 23464, 26816, 29330, 33520, 46928, 58660, 67040, 93856, 117320, 134080, 175561, 187712, 234640, 351122, 469280, 702244, 877805, 938560, 1228927, 1404488, 1755610, 2457854, 2808976, 3511220, 4915708, 5617952, 6144635, 7022440, 9831416, 11235904, 12289270, 14044880, 19662832, 24578540, 28089760, 39325664, 49157080, 56179520, 78651328, 98314160, 196628320, 393256640]

約数ペア:

[(1, 393256640), (2, 196628320), (4, 98314160), (5, 78651328), (7, 56179520), (8, 49157080), (10, 39325664), (14, 28089760), (16, 24578540), (20, 19662832), (28, 14044880), (32, 12289270), (35, 11235904), (40, 9831416), (56, 7022440), (64, 6144635), (70, 5617952), (80, 4915708), (112, 3511220), (140, 2808976), (160, 2457854), (224, 1755610), (280, 1404488), (320, 1228927), (419, 938560), (448, 877805), (560, 702244), (838, 469280), (1120, 351122), (1676, 234640), (2095, 187712), (2240, 175561), (2933, 134080), (3352, 117320), (4190, 93856), (5866, 67040), (6704, 58660), (8380, 46928), (11732, 33520), (13408, 29330), (14665, 26816), (16760, 23464)]