98406440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1609}}^1$

素因数の和:1770

約数の個数: 64

約数和(自身を含む): 243432000

約数和(自身を除く): 145025560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 139, 220, 278, 440, 556, 695, 1112, 1390, 1529, 1609, 2780, 3058, 3218, 5560, 6116, 6436, 7645, 8045, 12232, 12872, 15290, 16090, 17699, 30580, 32180, 35398, 61160, 64360, 70796, 88495, 141592, 176990, 223651, 353980, 447302, 707960, 894604, 1118255, 1789208, 2236510, 2460161, 4473020, 4920322, 8946040, 9840644, 12300805, 19681288, 24601610, 49203220, 98406440]

約数ペア:

[(1, 98406440), (2, 49203220), (4, 24601610), (5, 19681288), (8, 12300805), (10, 9840644), (11, 8946040), (20, 4920322), (22, 4473020), (40, 2460161), (44, 2236510), (55, 1789208), (88, 1118255), (110, 894604), (139, 707960), (220, 447302), (278, 353980), (440, 223651), (556, 176990), (695, 141592), (1112, 88495), (1390, 70796), (1529, 64360), (1609, 61160), (2780, 35398), (3058, 32180), (3218, 30580), (5560, 17699), (6116, 16090), (6436, 15290), (7645, 12872), (8045, 12232)]