209750800

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3257}}^1$

素因数の和:3305

約数の個数: 120

約数和(自身を含む): 601140096

約数和(自身を除く): 391389296

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 35, 40, 46, 50, 56, 70, 80, 92, 100, 112, 115, 140, 161, 175, 184, 200, 230, 280, 322, 350, 368, 400, 460, 560, 575, 644, 700, 805, 920, 1150, 1288, 1400, 1610, 1840, 2300, 2576, 2800, 3220, 3257, 4025, 4600, 6440, 6514, 8050, 9200, 12880, 13028, 16100, 16285, 22799, 26056, 32200, 32570, 45598, 52112, 64400, 65140, 74911, 81425, 91196, 113995, 130280, 149822, 162850, 182392, 227990, 260560, 299644, 325700, 364784, 374555, 455980, 524377, 569975, 599288, 651400, 749110, 911960, 1048754, 1139950, 1198576, 1302800, 1498220, 1823920, 1872775, 2097508, 2279900, 2621885, 2996440, 3745550, 4195016, 4559800, 5243770, 5992880, 7491100, 8390032, 9119600, 10487540, 13109425, 14982200, 20975080, 26218850, 29964400, 41950160, 52437700, 104875400, 209750800]

約数ペア:

[(1, 209750800), (2, 104875400), (4, 52437700), (5, 41950160), (7, 29964400), (8, 26218850), (10, 20975080), (14, 14982200), (16, 13109425), (20, 10487540), (23, 9119600), (25, 8390032), (28, 7491100), (35, 5992880), (40, 5243770), (46, 4559800), (50, 4195016), (56, 3745550), (70, 2996440), (80, 2621885), (92, 2279900), (100, 2097508), (112, 1872775), (115, 1823920), (140, 1498220), (161, 1302800), (175, 1198576), (184, 1139950), (200, 1048754), (230, 911960), (280, 749110), (322, 651400), (350, 599288), (368, 569975), (400, 524377), (460, 455980), (560, 374555), (575, 364784), (644, 325700), (700, 299644), (805, 260560), (920, 227990), (1150, 182392), (1288, 162850), (1400, 149822), (1610, 130280), (1840, 113995), (2300, 91196), (2576, 81425), (2800, 74911), (3220, 65140), (3257, 64400), (4025, 52112), (4600, 45598), (6440, 32570), (6514, 32200), (8050, 26056), (9200, 22799), (12880, 16285), (13028, 16100)]