78022400

素因数分解:

$2^8\times 5^2\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:266

約数の個数: 108

約数和(自身を含む): 196935312

約数和(自身を除く): 118912912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 73, 80, 100, 128, 146, 160, 167, 200, 256, 292, 320, 334, 365, 400, 584, 640, 668, 730, 800, 835, 1168, 1280, 1336, 1460, 1600, 1670, 1825, 2336, 2672, 2920, 3200, 3340, 3650, 4175, 4672, 5344, 5840, 6400, 6680, 7300, 8350, 9344, 10688, 11680, 12191, 13360, 14600, 16700, 18688, 21376, 23360, 24382, 26720, 29200, 33400, 42752, 46720, 48764, 53440, 58400, 60955, 66800, 93440, 97528, 106880, 116800, 121910, 133600, 195056, 213760, 233600, 243820, 267200, 304775, 390112, 467200, 487640, 534400, 609550, 780224, 975280, 1068800, 1219100, 1560448, 1950560, 2438200, 3120896, 3901120, 4876400, 7802240, 9752800, 15604480, 19505600, 39011200, 78022400]

約数ペア:

[(1, 78022400), (2, 39011200), (4, 19505600), (5, 15604480), (8, 9752800), (10, 7802240), (16, 4876400), (20, 3901120), (25, 3120896), (32, 2438200), (40, 1950560), (50, 1560448), (64, 1219100), (73, 1068800), (80, 975280), (100, 780224), (128, 609550), (146, 534400), (160, 487640), (167, 467200), (200, 390112), (256, 304775), (292, 267200), (320, 243820), (334, 233600), (365, 213760), (400, 195056), (584, 133600), (640, 121910), (668, 116800), (730, 106880), (800, 97528), (835, 93440), (1168, 66800), (1280, 60955), (1336, 58400), (1460, 53440), (1600, 48764), (1670, 46720), (1825, 42752), (2336, 33400), (2672, 29200), (2920, 26720), (3200, 24382), (3340, 23360), (3650, 21376), (4175, 18688), (4672, 16700), (5344, 14600), (5840, 13360), (6400, 12191), (6680, 11680), (7300, 10688), (8350, 9344)]