864800

素因数分解:

$2^5\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:90

約数の個数: 72

約数和(自身を含む): 2249856

約数和(自身を除く): 1385056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 47, 50, 80, 92, 94, 100, 115, 160, 184, 188, 200, 230, 235, 368, 376, 400, 460, 470, 575, 736, 752, 800, 920, 940, 1081, 1150, 1175, 1504, 1840, 1880, 2162, 2300, 2350, 3680, 3760, 4324, 4600, 4700, 5405, 7520, 8648, 9200, 9400, 10810, 17296, 18400, 18800, 21620, 27025, 34592, 37600, 43240, 54050, 86480, 108100, 172960, 216200, 432400, 864800]

約数ペア:

[(1, 864800), (2, 432400), (4, 216200), (5, 172960), (8, 108100), (10, 86480), (16, 54050), (20, 43240), (23, 37600), (25, 34592), (32, 27025), (40, 21620), (46, 18800), (47, 18400), (50, 17296), (80, 10810), (92, 9400), (94, 9200), (100, 8648), (115, 7520), (160, 5405), (184, 4700), (188, 4600), (200, 4324), (230, 3760), (235, 3680), (368, 2350), (376, 2300), (400, 2162), (460, 1880), (470, 1840), (575, 1504), (736, 1175), (752, 1150), (800, 1081), (920, 940)]