621644660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17977}}^1$

素因数の和:18025

約数の個数: 96

約数和(自身を含む): 1691370240

約数和(自身を除く): 1069725580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 52, 65, 70, 76, 91, 95, 130, 133, 140, 182, 190, 247, 260, 266, 364, 380, 455, 494, 532, 665, 910, 988, 1235, 1330, 1729, 1820, 2470, 2660, 3458, 4940, 6916, 8645, 17290, 17977, 34580, 35954, 71908, 89885, 125839, 179770, 233701, 251678, 341563, 359540, 467402, 503356, 629195, 683126, 934804, 1168505, 1258390, 1366252, 1635907, 1707815, 2337010, 2390941, 2516780, 3271814, 3415630, 4440319, 4674020, 4781882, 6543628, 6831260, 8179535, 8880638, 9563764, 11954705, 16359070, 17761276, 22201595, 23909410, 31082233, 32718140, 44403190, 47818820, 62164466, 88806380, 124328932, 155411165, 310822330, 621644660]

約数ペア:

[(1, 621644660), (2, 310822330), (4, 155411165), (5, 124328932), (7, 88806380), (10, 62164466), (13, 47818820), (14, 44403190), (19, 32718140), (20, 31082233), (26, 23909410), (28, 22201595), (35, 17761276), (38, 16359070), (52, 11954705), (65, 9563764), (70, 8880638), (76, 8179535), (91, 6831260), (95, 6543628), (130, 4781882), (133, 4674020), (140, 4440319), (182, 3415630), (190, 3271814), (247, 2516780), (260, 2390941), (266, 2337010), (364, 1707815), (380, 1635907), (455, 1366252), (494, 1258390), (532, 1168505), (665, 934804), (910, 683126), (988, 629195), (1235, 503356), (1330, 467402), (1729, 359540), (1820, 341563), (2470, 251678), (2660, 233701), (3458, 179770), (4940, 125839), (6916, 89885), (8645, 71908), (17290, 35954), (17977, 34580)]