144919880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{517571}}^1$

素因数の和:517589

約数の個数: 32

約数和(自身を含む): 372651840

約数和(自身を除く): 227731960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 517571, 1035142, 2070284, 2587855, 3622997, 4140568, 5175710, 7245994, 10351420, 14491988, 18114985, 20702840, 28983976, 36229970, 72459940, 144919880]

約数ペア:

[(1, 144919880), (2, 72459940), (4, 36229970), (5, 28983976), (7, 20702840), (8, 18114985), (10, 14491988), (14, 10351420), (20, 7245994), (28, 5175710), (35, 4140568), (40, 3622997), (56, 2587855), (70, 2070284), (140, 1035142), (280, 517571)]