490207880

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{3877}}^1$

素因数の和:4026

約数の個数: 64

約数和(自身を含む): 1151766000

約数和(自身を除く): 661558120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 109, 116, 145, 218, 232, 290, 436, 545, 580, 872, 1090, 1160, 2180, 3161, 3877, 4360, 6322, 7754, 12644, 15508, 15805, 19385, 25288, 31016, 31610, 38770, 63220, 77540, 112433, 126440, 155080, 224866, 422593, 449732, 562165, 845186, 899464, 1124330, 1690372, 2112965, 2248660, 3380744, 4225930, 4497320, 8451860, 12255197, 16903720, 24510394, 49020788, 61275985, 98041576, 122551970, 245103940, 490207880]

約数ペア:

[(1, 490207880), (2, 245103940), (4, 122551970), (5, 98041576), (8, 61275985), (10, 49020788), (20, 24510394), (29, 16903720), (40, 12255197), (58, 8451860), (109, 4497320), (116, 4225930), (145, 3380744), (218, 2248660), (232, 2112965), (290, 1690372), (436, 1124330), (545, 899464), (580, 845186), (872, 562165), (1090, 449732), (1160, 422593), (2180, 224866), (3161, 155080), (3877, 126440), (4360, 112433), (6322, 77540), (7754, 63220), (12644, 38770), (15508, 31610), (15805, 31016), (19385, 25288)]