28574000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:200

約数の個数: 160

約数和(自身を含む): 85577856

約数和(自身を除く): 57003856

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 80, 91, 100, 104, 112, 125, 130, 140, 157, 175, 182, 200, 208, 250, 260, 280, 314, 325, 350, 364, 400, 455, 500, 520, 560, 628, 650, 700, 728, 785, 875, 910, 1000, 1040, 1099, 1256, 1300, 1400, 1456, 1570, 1625, 1750, 1820, 2000, 2041, 2198, 2275, 2512, 2600, 2800, 3140, 3250, 3500, 3640, 3925, 4082, 4396, 4550, 5200, 5495, 6280, 6500, 7000, 7280, 7850, 8164, 8792, 9100, 10205, 10990, 11375, 12560, 13000, 14000, 14287, 15700, 16328, 17584, 18200, 19625, 20410, 21980, 22750, 26000, 27475, 28574, 31400, 32656, 36400, 39250, 40820, 43960, 45500, 51025, 54950, 57148, 62800, 71435, 78500, 81640, 87920, 91000, 102050, 109900, 114296, 137375, 142870, 157000, 163280, 182000, 204100, 219800, 228592, 255125, 274750, 285740, 314000, 357175, 408200, 439600, 510250, 549500, 571480, 714350, 816400, 1020500, 1099000, 1142960, 1428700, 1785875, 2041000, 2198000, 2857400, 3571750, 4082000, 5714800, 7143500, 14287000, 28574000]

約数ペア:

[(1, 28574000), (2, 14287000), (4, 7143500), (5, 5714800), (7, 4082000), (8, 3571750), (10, 2857400), (13, 2198000), (14, 2041000), (16, 1785875), (20, 1428700), (25, 1142960), (26, 1099000), (28, 1020500), (35, 816400), (40, 714350), (50, 571480), (52, 549500), (56, 510250), (65, 439600), (70, 408200), (80, 357175), (91, 314000), (100, 285740), (104, 274750), (112, 255125), (125, 228592), (130, 219800), (140, 204100), (157, 182000), (175, 163280), (182, 157000), (200, 142870), (208, 137375), (250, 114296), (260, 109900), (280, 102050), (314, 91000), (325, 87920), (350, 81640), (364, 78500), (400, 71435), (455, 62800), (500, 57148), (520, 54950), (560, 51025), (628, 45500), (650, 43960), (700, 40820), (728, 39250), (785, 36400), (875, 32656), (910, 31400), (1000, 28574), (1040, 27475), (1099, 26000), (1256, 22750), (1300, 21980), (1400, 20410), (1456, 19625), (1570, 18200), (1625, 17584), (1750, 16328), (1820, 15700), (2000, 14287), (2041, 14000), (2198, 13000), (2275, 12560), (2512, 11375), (2600, 10990), (2800, 10205), (3140, 9100), (3250, 8792), (3500, 8164), (3640, 7850), (3925, 7280), (4082, 7000), (4396, 6500), (4550, 6280), (5200, 5495)]