2008013621780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1259}}^1\times {\mathrm{275939}}^1$

素因数の和:277241

約数の個数: 72

約数和(自身を含む): 4483042653600

約数和(自身を除く): 2475029031820

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 289, 340, 578, 1156, 1259, 1445, 2518, 2890, 5036, 5780, 6295, 12590, 21403, 25180, 42806, 85612, 107015, 214030, 275939, 363851, 428060, 551878, 727702, 1103756, 1379695, 1455404, 1819255, 2759390, 3638510, 4690963, 5518780, 7277020, 9381926, 18763852, 23454815, 46909630, 79746371, 93819260, 159492742, 318985484, 347407201, 398731855, 694814402, 797463710, 1389628804, 1594927420, 1737036005, 3474072010, 5905922417, 6948144020, 11811844834, 23623689668, 29529612085, 59059224170, 100400681089, 118118448340, 200801362178, 401602724356, 502003405445, 1004006810890, 2008013621780]

約数ペア:

[(1, 2008013621780), (2, 1004006810890), (4, 502003405445), (5, 401602724356), (10, 200801362178), (17, 118118448340), (20, 100400681089), (34, 59059224170), (68, 29529612085), (85, 23623689668), (170, 11811844834), (289, 6948144020), (340, 5905922417), (578, 3474072010), (1156, 1737036005), (1259, 1594927420), (1445, 1389628804), (2518, 797463710), (2890, 694814402), (5036, 398731855), (5780, 347407201), (6295, 318985484), (12590, 159492742), (21403, 93819260), (25180, 79746371), (42806, 46909630), (85612, 23454815), (107015, 18763852), (214030, 9381926), (275939, 7277020), (363851, 5518780), (428060, 4690963), (551878, 3638510), (727702, 2759390), (1103756, 1819255), (1379695, 1455404)]