7738780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{331}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 18740736

約数和(自身を除く): 11001956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 167, 331, 334, 662, 668, 835, 1169, 1324, 1655, 1670, 2317, 2338, 3310, 3340, 4634, 4676, 5845, 6620, 9268, 11585, 11690, 23170, 23380, 46340, 55277, 110554, 221108, 276385, 386939, 552770, 773878, 1105540, 1547756, 1934695, 3869390, 7738780]

約数ペア:

[(1, 7738780), (2, 3869390), (4, 1934695), (5, 1547756), (7, 1105540), (10, 773878), (14, 552770), (20, 386939), (28, 276385), (35, 221108), (70, 110554), (140, 55277), (167, 46340), (331, 23380), (334, 23170), (662, 11690), (668, 11585), (835, 9268), (1169, 6620), (1324, 5845), (1655, 4676), (1670, 4634), (2317, 3340), (2338, 3310)]