170921800

素因数分解:

$2^3\times 5^2\times 7^2\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:300

約数の個数: 144

約数和(自身を含む): 469456560

約数和(自身を除く): 298534760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 107, 140, 163, 175, 196, 200, 214, 245, 280, 326, 350, 392, 428, 490, 535, 652, 700, 749, 815, 856, 980, 1070, 1141, 1225, 1304, 1400, 1498, 1630, 1960, 2140, 2282, 2450, 2675, 2996, 3260, 3745, 4075, 4280, 4564, 4900, 5243, 5350, 5705, 5992, 6520, 7490, 7987, 8150, 9128, 9800, 10486, 10700, 11410, 14980, 15974, 16300, 17441, 18725, 20972, 21400, 22820, 26215, 28525, 29960, 31948, 32600, 34882, 37450, 39935, 41944, 45640, 52430, 57050, 63896, 69764, 74900, 79870, 87205, 104860, 114100, 122087, 131075, 139528, 149800, 159740, 174410, 199675, 209720, 228200, 244174, 262150, 319480, 348820, 399350, 436025, 488348, 524300, 610435, 697640, 798700, 854609, 872050, 976696, 1048600, 1220870, 1597400, 1709218, 1744100, 2441740, 3052175, 3418436, 3488200, 4273045, 4883480, 6104350, 6836872, 8546090, 12208700, 17092180, 21365225, 24417400, 34184360, 42730450, 85460900, 170921800]

約数ペア:

[(1, 170921800), (2, 85460900), (4, 42730450), (5, 34184360), (7, 24417400), (8, 21365225), (10, 17092180), (14, 12208700), (20, 8546090), (25, 6836872), (28, 6104350), (35, 4883480), (40, 4273045), (49, 3488200), (50, 3418436), (56, 3052175), (70, 2441740), (98, 1744100), (100, 1709218), (107, 1597400), (140, 1220870), (163, 1048600), (175, 976696), (196, 872050), (200, 854609), (214, 798700), (245, 697640), (280, 610435), (326, 524300), (350, 488348), (392, 436025), (428, 399350), (490, 348820), (535, 319480), (652, 262150), (700, 244174), (749, 228200), (815, 209720), (856, 199675), (980, 174410), (1070, 159740), (1141, 149800), (1225, 139528), (1304, 131075), (1400, 122087), (1498, 114100), (1630, 104860), (1960, 87205), (2140, 79870), (2282, 74900), (2450, 69764), (2675, 63896), (2996, 57050), (3260, 52430), (3745, 45640), (4075, 41944), (4280, 39935), (4564, 37450), (4900, 34882), (5243, 32600), (5350, 31948), (5705, 29960), (5992, 28525), (6520, 26215), (7490, 22820), (7987, 21400), (8150, 20972), (9128, 18725), (9800, 17441), (10486, 16300), (10700, 15974), (11410, 14980)]