1972998400

素因数分解:

$2^8\times 5^2\times {\mathrm{149}}^1\times {\mathrm{2069}}^1$

素因数の和:2244

約数の個数: 108

約数和(自身を含む): 4918630500

約数和(自身を除く): 2945632100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 149, 160, 200, 256, 298, 320, 400, 596, 640, 745, 800, 1192, 1280, 1490, 1600, 2069, 2384, 2980, 3200, 3725, 4138, 4768, 5960, 6400, 7450, 8276, 9536, 10345, 11920, 14900, 16552, 19072, 20690, 23840, 29800, 33104, 38144, 41380, 47680, 51725, 59600, 66208, 82760, 95360, 103450, 119200, 132416, 165520, 190720, 206900, 238400, 264832, 308281, 331040, 413800, 476800, 529664, 616562, 662080, 827600, 953600, 1233124, 1324160, 1541405, 1655200, 2466248, 2648320, 3082810, 3310400, 4932496, 6165620, 6620800, 7707025, 9864992, 12331240, 13241600, 15414050, 19729984, 24662480, 30828100, 39459968, 49324960, 61656200, 78919936, 98649920, 123312400, 197299840, 246624800, 394599680, 493249600, 986499200, 1972998400]

約数ペア:

[(1, 1972998400), (2, 986499200), (4, 493249600), (5, 394599680), (8, 246624800), (10, 197299840), (16, 123312400), (20, 98649920), (25, 78919936), (32, 61656200), (40, 49324960), (50, 39459968), (64, 30828100), (80, 24662480), (100, 19729984), (128, 15414050), (149, 13241600), (160, 12331240), (200, 9864992), (256, 7707025), (298, 6620800), (320, 6165620), (400, 4932496), (596, 3310400), (640, 3082810), (745, 2648320), (800, 2466248), (1192, 1655200), (1280, 1541405), (1490, 1324160), (1600, 1233124), (2069, 953600), (2384, 827600), (2980, 662080), (3200, 616562), (3725, 529664), (4138, 476800), (4768, 413800), (5960, 331040), (6400, 308281), (7450, 264832), (8276, 238400), (9536, 206900), (10345, 190720), (11920, 165520), (14900, 132416), (16552, 119200), (19072, 103450), (20690, 95360), (23840, 82760), (29800, 66208), (33104, 59600), (38144, 51725), (41380, 47680)]