2857400

素因数分解:

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

素因数の和:193

約数の個数: 96

約数和(自身を含む): 8228640

約数和(自身を除く): 5371240

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 25, 26, 28, 35, 40, 50, 52, 56, 65, 70, 91, 100, 104, 130, 140, 157, 175, 182, 200, 260, 280, 314, 325, 350, 364, 455, 520, 628, 650, 700, 728, 785, 910, 1099, 1256, 1300, 1400, 1570, 1820, 2041, 2198, 2275, 2600, 3140, 3640, 3925, 4082, 4396, 4550, 5495, 6280, 7850, 8164, 8792, 9100, 10205, 10990, 14287, 15700, 16328, 18200, 20410, 21980, 27475, 28574, 31400, 40820, 43960, 51025, 54950, 57148, 71435, 81640, 102050, 109900, 114296, 142870, 204100, 219800, 285740, 357175, 408200, 571480, 714350, 1428700, 2857400]

約数ペア:

[(1, 2857400), (2, 1428700), (4, 714350), (5, 571480), (7, 408200), (8, 357175), (10, 285740), (13, 219800), (14, 204100), (20, 142870), (25, 114296), (26, 109900), (28, 102050), (35, 81640), (40, 71435), (50, 57148), (52, 54950), (56, 51025), (65, 43960), (70, 40820), (91, 31400), (100, 28574), (104, 27475), (130, 21980), (140, 20410), (157, 18200), (175, 16328), (182, 15700), (200, 14287), (260, 10990), (280, 10205), (314, 9100), (325, 8792), (350, 8164), (364, 7850), (455, 6280), (520, 5495), (628, 4550), (650, 4396), (700, 4082), (728, 3925), (785, 3640), (910, 3140), (1099, 2600), (1256, 2275), (1300, 2198), (1400, 2041), (1570, 1820)]