260291220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{619741}}^1$

素因数の和:619760

約数の個数: 48

約数和(自身を含む): 832933248

約数和(自身を除く): 572642028

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, 619741, 1239482, 1859223, 2478964, 3098705, 3718446, 4338187, 6197410, 7436892, 8676374, 9296115, 12394820, 13014561, 17352748, 18592230, 21690935, 26029122, 37184460, 43381870, 52058244, 65072805, 86763740, 130145610, 260291220]

約数ペア:

[(1, 260291220), (2, 130145610), (3, 86763740), (4, 65072805), (5, 52058244), (6, 43381870), (7, 37184460), (10, 26029122), (12, 21690935), (14, 18592230), (15, 17352748), (20, 13014561), (21, 12394820), (28, 9296115), (30, 8676374), (35, 7436892), (42, 6197410), (60, 4338187), (70, 3718446), (84, 3098705), (105, 2478964), (140, 1859223), (210, 1239482), (420, 619741)]