684018440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{348989}}^1$

素因数の和:349014

約数の個数: 48

約数和(自身を含む): 1790318700

約数和(自身を除く): 1106300260

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, 348989, 697978, 1395956, 1744945, 2442923, 2791912, 3489890, 4885846, 6979780, 9771692, 12214615, 13959560, 17100461, 19543384, 24429230, 34200922, 48858460, 68401844, 85502305, 97716920, 136803688, 171004610, 342009220, 684018440]

約数ペア:

[(1, 684018440), (2, 342009220), (4, 171004610), (5, 136803688), (7, 97716920), (8, 85502305), (10, 68401844), (14, 48858460), (20, 34200922), (28, 24429230), (35, 19543384), (40, 17100461), (49, 13959560), (56, 12214615), (70, 9771692), (98, 6979780), (140, 4885846), (196, 3489890), (245, 2791912), (280, 2442923), (392, 1744945), (490, 1395956), (980, 697978), (1960, 348989)]