888949480

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{1583}}^1$

素因数の和:1834

約数の個数: 64

約数和(自身を含む): 2035756800

約数和(自身を除く): 1146807320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 139, 202, 278, 404, 505, 556, 695, 808, 1010, 1112, 1390, 1583, 2020, 2780, 3166, 4040, 5560, 6332, 7915, 12664, 14039, 15830, 28078, 31660, 56156, 63320, 70195, 112312, 140390, 159883, 220037, 280780, 319766, 440074, 561560, 639532, 799415, 880148, 1100185, 1279064, 1598830, 1760296, 2200370, 3197660, 4400740, 6395320, 8801480, 22223737, 44447474, 88894948, 111118685, 177789896, 222237370, 444474740, 888949480]

約数ペア:

[(1, 888949480), (2, 444474740), (4, 222237370), (5, 177789896), (8, 111118685), (10, 88894948), (20, 44447474), (40, 22223737), (101, 8801480), (139, 6395320), (202, 4400740), (278, 3197660), (404, 2200370), (505, 1760296), (556, 1598830), (695, 1279064), (808, 1100185), (1010, 880148), (1112, 799415), (1390, 639532), (1583, 561560), (2020, 440074), (2780, 319766), (3166, 280780), (4040, 220037), (5560, 159883), (6332, 140390), (7915, 112312), (12664, 70195), (14039, 63320), (15830, 56156), (28078, 31660)]