895020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2131}}^1$

素因数の和:2150

約数の個数: 48

約数和(自身を含む): 2865408

約数和(自身を除く): 1970388

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, 2131, 4262, 6393, 8524, 10655, 12786, 14917, 21310, 25572, 29834, 31965, 42620, 44751, 59668, 63930, 74585, 89502, 127860, 149170, 179004, 223755, 298340, 447510, 895020]

約数ペア:

[(1, 895020), (2, 447510), (3, 298340), (4, 223755), (5, 179004), (6, 149170), (7, 127860), (10, 89502), (12, 74585), (14, 63930), (15, 59668), (20, 44751), (21, 42620), (28, 31965), (30, 29834), (35, 25572), (42, 21310), (60, 14917), (70, 12786), (84, 10655), (105, 8524), (140, 6393), (210, 4262), (420, 2131)]