30889180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3617}}^1$

素因数の和:3694

約数の個数: 48

約数和(自身を含む): 75370176

約数和(自身を除く): 44480996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 3617, 4270, 7234, 8540, 14468, 18085, 25319, 36170, 50638, 72340, 101276, 126595, 220637, 253190, 441274, 506380, 882548, 1103185, 1544459, 2206370, 3088918, 4412740, 6177836, 7722295, 15444590, 30889180]

約数ペア:

[(1, 30889180), (2, 15444590), (4, 7722295), (5, 6177836), (7, 4412740), (10, 3088918), (14, 2206370), (20, 1544459), (28, 1103185), (35, 882548), (61, 506380), (70, 441274), (122, 253190), (140, 220637), (244, 126595), (305, 101276), (427, 72340), (610, 50638), (854, 36170), (1220, 25319), (1708, 18085), (2135, 14468), (3617, 8540), (4270, 7234)]