2019450140

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{911}}^1$

素因数の和:1083

約数の個数: 96

約数和(自身を含む): 4559708160

約数和(自身を除く): 2540258020

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 61, 79, 92, 115, 122, 158, 230, 244, 305, 316, 395, 460, 610, 790, 911, 1220, 1403, 1580, 1817, 1822, 2806, 3634, 3644, 4555, 4819, 5612, 7015, 7268, 9085, 9110, 9638, 14030, 18170, 18220, 19276, 20953, 24095, 28060, 36340, 41906, 48190, 55571, 71969, 83812, 96380, 104765, 110837, 111142, 143938, 209530, 221674, 222284, 277855, 287876, 359845, 419060, 443348, 554185, 555710, 719690, 1108370, 1111420, 1278133, 1439380, 1655287, 2216740, 2556266, 3310574, 4390109, 5112532, 6390665, 6621148, 8276435, 8780218, 12781330, 16552870, 17560436, 21950545, 25562660, 33105740, 43901090, 87802180, 100972507, 201945014, 403890028, 504862535, 1009725070, 2019450140]

約数ペア:

[(1, 2019450140), (2, 1009725070), (4, 504862535), (5, 403890028), (10, 201945014), (20, 100972507), (23, 87802180), (46, 43901090), (61, 33105740), (79, 25562660), (92, 21950545), (115, 17560436), (122, 16552870), (158, 12781330), (230, 8780218), (244, 8276435), (305, 6621148), (316, 6390665), (395, 5112532), (460, 4390109), (610, 3310574), (790, 2556266), (911, 2216740), (1220, 1655287), (1403, 1439380), (1580, 1278133), (1817, 1111420), (1822, 1108370), (2806, 719690), (3634, 555710), (3644, 554185), (4555, 443348), (4819, 419060), (5612, 359845), (7015, 287876), (7268, 277855), (9085, 222284), (9110, 221674), (9638, 209530), (14030, 143938), (18170, 111142), (18220, 110837), (19276, 104765), (20953, 96380), (24095, 83812), (28060, 71969), (36340, 55571), (41906, 48190)]