728604520

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{371737}}^1$

素因数の和:371762

約数の個数: 48

約数和(自身を含む): 1907015940

約数和(自身を除く): 1178411420

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 371737, 743474, 1486948, 1858685, 2602159, 2973896, 3717370, 5204318, 7434740, 10408636, 13010795, 14869480, 18215113, 20817272, 26021590, 36430226, 52043180, 72860452, 91075565, 104086360, 145720904, 182151130, 364302260, 728604520]

約数ペア:

[(1, 728604520), (2, 364302260), (4, 182151130), (5, 145720904), (7, 104086360), (8, 91075565), (10, 72860452), (14, 52043180), (20, 36430226), (28, 26021590), (35, 20817272), (40, 18215113), (49, 14869480), (56, 13010795), (70, 10408636), (98, 7434740), (140, 5204318), (196, 3717370), (245, 2973896), (280, 2602159), (392, 1858685), (490, 1486948), (980, 743474), (1960, 371737)]