221438540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:363

約数の個数: 96

約数和(自身を含む): 511842240

約数和(自身を除く): 290403700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 61, 76, 82, 95, 122, 164, 190, 205, 233, 244, 305, 380, 410, 466, 610, 779, 820, 932, 1159, 1165, 1220, 1558, 2318, 2330, 2501, 3116, 3895, 4427, 4636, 4660, 5002, 5795, 7790, 8854, 9553, 10004, 11590, 12505, 14213, 15580, 17708, 19106, 22135, 23180, 25010, 28426, 38212, 44270, 47519, 47765, 50020, 56852, 71065, 88540, 95038, 95530, 142130, 181507, 190076, 191060, 237595, 270047, 284260, 363014, 475190, 540094, 582733, 726028, 907535, 950380, 1080188, 1165466, 1350235, 1815070, 2330932, 2700470, 2913665, 3630140, 5400940, 5827330, 11071927, 11654660, 22143854, 44287708, 55359635, 110719270, 221438540]

約数ペア:

[(1, 221438540), (2, 110719270), (4, 55359635), (5, 44287708), (10, 22143854), (19, 11654660), (20, 11071927), (38, 5827330), (41, 5400940), (61, 3630140), (76, 2913665), (82, 2700470), (95, 2330932), (122, 1815070), (164, 1350235), (190, 1165466), (205, 1080188), (233, 950380), (244, 907535), (305, 726028), (380, 582733), (410, 540094), (466, 475190), (610, 363014), (779, 284260), (820, 270047), (932, 237595), (1159, 191060), (1165, 190076), (1220, 181507), (1558, 142130), (2318, 95530), (2330, 95038), (2501, 88540), (3116, 71065), (3895, 56852), (4427, 50020), (4636, 47765), (4660, 47519), (5002, 44270), (5795, 38212), (7790, 28426), (8854, 25010), (9553, 23180), (10004, 22135), (11590, 19106), (12505, 17708), (14213, 15580)]