1330991180

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1\times {\mathrm{2477}}^1$

素因数の和:2954

約数の個数: 48

約数和(自身を含む): 2845021536

約数和(自身を除く): 1514030356

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 401, 670, 802, 1340, 1604, 2005, 2477, 4010, 4954, 8020, 9908, 12385, 24770, 26867, 49540, 53734, 107468, 134335, 165959, 268670, 331918, 537340, 663836, 829795, 993277, 1659590, 1986554, 3319180, 3973108, 4966385, 9932770, 19865540, 66549559, 133099118, 266198236, 332747795, 665495590, 1330991180]

約数ペア:

[(1, 1330991180), (2, 665495590), (4, 332747795), (5, 266198236), (10, 133099118), (20, 66549559), (67, 19865540), (134, 9932770), (268, 4966385), (335, 3973108), (401, 3319180), (670, 1986554), (802, 1659590), (1340, 993277), (1604, 829795), (2005, 663836), (2477, 537340), (4010, 331918), (4954, 268670), (8020, 165959), (9908, 134335), (12385, 107468), (24770, 53734), (26867, 49540)]