800400

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:73

約数の個数: 120

約数和(自身を含む): 2767680

約数和(自身を除く): 1967280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 25, 29, 30, 40, 46, 48, 50, 58, 60, 69, 75, 80, 87, 92, 100, 115, 116, 120, 138, 145, 150, 174, 184, 200, 230, 232, 240, 276, 290, 300, 345, 348, 368, 400, 435, 460, 464, 552, 575, 580, 600, 667, 690, 696, 725, 870, 920, 1104, 1150, 1160, 1200, 1334, 1380, 1392, 1450, 1725, 1740, 1840, 2001, 2175, 2300, 2320, 2668, 2760, 2900, 3335, 3450, 3480, 4002, 4350, 4600, 5336, 5520, 5800, 6670, 6900, 6960, 8004, 8700, 9200, 10005, 10672, 11600, 13340, 13800, 16008, 16675, 17400, 20010, 26680, 27600, 32016, 33350, 34800, 40020, 50025, 53360, 66700, 80040, 100050, 133400, 160080, 200100, 266800, 400200, 800400]

約数ペア:

[(1, 800400), (2, 400200), (3, 266800), (4, 200100), (5, 160080), (6, 133400), (8, 100050), (10, 80040), (12, 66700), (15, 53360), (16, 50025), (20, 40020), (23, 34800), (24, 33350), (25, 32016), (29, 27600), (30, 26680), (40, 20010), (46, 17400), (48, 16675), (50, 16008), (58, 13800), (60, 13340), (69, 11600), (75, 10672), (80, 10005), (87, 9200), (92, 8700), (100, 8004), (115, 6960), (116, 6900), (120, 6670), (138, 5800), (145, 5520), (150, 5336), (174, 4600), (184, 4350), (200, 4002), (230, 3480), (232, 3450), (240, 3335), (276, 2900), (290, 2760), (300, 2668), (345, 2320), (348, 2300), (368, 2175), (400, 2001), (435, 1840), (460, 1740), (464, 1725), (552, 1450), (575, 1392), (580, 1380), (600, 1334), (667, 1200), (690, 1160), (696, 1150), (725, 1104), (870, 920)]