994906400

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:571

約数の個数: 144

約数和(自身を含む): 2559211200

約数和(自身を除く): 1564304800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 80, 92, 100, 115, 139, 160, 184, 200, 230, 278, 368, 389, 400, 460, 556, 575, 695, 736, 778, 800, 920, 1112, 1150, 1390, 1556, 1840, 1945, 2224, 2300, 2780, 3112, 3197, 3475, 3680, 3890, 4448, 4600, 5560, 6224, 6394, 6950, 7780, 8947, 9200, 9725, 11120, 12448, 12788, 13900, 15560, 15985, 17894, 18400, 19450, 22240, 25576, 27800, 31120, 31970, 35788, 38900, 44735, 51152, 54071, 55600, 62240, 63940, 71576, 77800, 79925, 89470, 102304, 108142, 111200, 127880, 143152, 155600, 159850, 178940, 216284, 223675, 255760, 270355, 286304, 311200, 319700, 357880, 432568, 447350, 511520, 540710, 639400, 715760, 865136, 894700, 1081420, 1243633, 1278800, 1351775, 1431520, 1730272, 1789400, 2162840, 2487266, 2557600, 2703550, 3578800, 4325680, 4974532, 5407100, 6218165, 7157600, 8651360, 9949064, 10814200, 12436330, 19898128, 21628400, 24872660, 31090825, 39796256, 43256800, 49745320, 62181650, 99490640, 124363300, 198981280, 248726600, 497453200, 994906400]

約数ペア:

[(1, 994906400), (2, 497453200), (4, 248726600), (5, 198981280), (8, 124363300), (10, 99490640), (16, 62181650), (20, 49745320), (23, 43256800), (25, 39796256), (32, 31090825), (40, 24872660), (46, 21628400), (50, 19898128), (80, 12436330), (92, 10814200), (100, 9949064), (115, 8651360), (139, 7157600), (160, 6218165), (184, 5407100), (200, 4974532), (230, 4325680), (278, 3578800), (368, 2703550), (389, 2557600), (400, 2487266), (460, 2162840), (556, 1789400), (575, 1730272), (695, 1431520), (736, 1351775), (778, 1278800), (800, 1243633), (920, 1081420), (1112, 894700), (1150, 865136), (1390, 715760), (1556, 639400), (1840, 540710), (1945, 511520), (2224, 447350), (2300, 432568), (2780, 357880), (3112, 319700), (3197, 311200), (3475, 286304), (3680, 270355), (3890, 255760), (4448, 223675), (4600, 216284), (5560, 178940), (6224, 159850), (6394, 155600), (6950, 143152), (7780, 127880), (8947, 111200), (9200, 108142), (9725, 102304), (11120, 89470), (12448, 79925), (12788, 77800), (13900, 71576), (15560, 63940), (15985, 62240), (17894, 55600), (18400, 54071), (19450, 51152), (22240, 44735), (25576, 38900), (27800, 35788), (31120, 31970)]