219625980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{522919}}^1$

素因数の和:522938

約数の個数: 48

約数和(自身を含む): 702804480

約数和(自身を除く): 483178500

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, 522919, 1045838, 1568757, 2091676, 2614595, 3137514, 3660433, 5229190, 6275028, 7320866, 7843785, 10458380, 10981299, 14641732, 15687570, 18302165, 21962598, 31375140, 36604330, 43925196, 54906495, 73208660, 109812990, 219625980]

約数ペア:

[(1, 219625980), (2, 109812990), (3, 73208660), (4, 54906495), (5, 43925196), (6, 36604330), (7, 31375140), (10, 21962598), (12, 18302165), (14, 15687570), (15, 14641732), (20, 10981299), (21, 10458380), (28, 7843785), (30, 7320866), (35, 6275028), (42, 5229190), (60, 3660433), (70, 3137514), (84, 2614595), (105, 2091676), (140, 1568757), (210, 1045838), (420, 522919)]