404883780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{964009}}^1$

素因数の和:964028

約数の個数: 48

約数和(自身を含む): 1295629440

約数和(自身を除く): 890745660

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 964009, 1928018, 2892027, 3856036, 4820045, 5784054, 6748063, 9640090, 11568108, 13496126, 14460135, 19280180, 20244189, 26992252, 28920270, 33740315, 40488378, 57840540, 67480630, 80976756, 101220945, 134961260, 202441890, 404883780]

約数ペア:

[(1, 404883780), (2, 202441890), (3, 134961260), (4, 101220945), (5, 80976756), (6, 67480630), (7, 57840540), (10, 40488378), (12, 33740315), (14, 28920270), (15, 26992252), (20, 20244189), (21, 19280180), (28, 14460135), (30, 13496126), (35, 11568108), (42, 9640090), (60, 6748063), (70, 5784054), (84, 4820045), (105, 3856036), (140, 2892027), (210, 1928018), (420, 964009)]