258085100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:472

約数の個数: 144

約数和(自身を含む): 699955200

約数和(自身を除く): 441870100

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 79, 91, 100, 130, 140, 158, 175, 182, 260, 316, 325, 350, 359, 364, 395, 455, 553, 650, 700, 718, 790, 910, 1027, 1106, 1300, 1436, 1580, 1795, 1820, 1975, 2054, 2212, 2275, 2513, 2765, 3590, 3950, 4108, 4550, 4667, 5026, 5135, 5530, 7180, 7189, 7900, 8975, 9100, 9334, 10052, 10270, 11060, 12565, 13825, 14378, 17950, 18668, 20540, 23335, 25130, 25675, 27650, 28361, 28756, 32669, 35900, 35945, 46670, 50260, 51350, 55300, 56722, 62825, 65338, 71890, 93340, 102700, 113444, 116675, 125650, 130676, 141805, 143780, 163345, 179725, 198527, 233350, 251300, 283610, 326690, 359450, 368693, 397054, 466700, 567220, 653380, 709025, 718900, 737386, 794108, 816725, 992635, 1418050, 1474772, 1633450, 1843465, 1985270, 2580851, 2836100, 3266900, 3686930, 3970540, 4963175, 5161702, 7373860, 9217325, 9926350, 10323404, 12904255, 18434650, 19852700, 25808510, 36869300, 51617020, 64521275, 129042550, 258085100]

約数ペア:

[(1, 258085100), (2, 129042550), (4, 64521275), (5, 51617020), (7, 36869300), (10, 25808510), (13, 19852700), (14, 18434650), (20, 12904255), (25, 10323404), (26, 9926350), (28, 9217325), (35, 7373860), (50, 5161702), (52, 4963175), (65, 3970540), (70, 3686930), (79, 3266900), (91, 2836100), (100, 2580851), (130, 1985270), (140, 1843465), (158, 1633450), (175, 1474772), (182, 1418050), (260, 992635), (316, 816725), (325, 794108), (350, 737386), (359, 718900), (364, 709025), (395, 653380), (455, 567220), (553, 466700), (650, 397054), (700, 368693), (718, 359450), (790, 326690), (910, 283610), (1027, 251300), (1106, 233350), (1300, 198527), (1436, 179725), (1580, 163345), (1795, 143780), (1820, 141805), (1975, 130676), (2054, 125650), (2212, 116675), (2275, 113444), (2513, 102700), (2765, 93340), (3590, 71890), (3950, 65338), (4108, 62825), (4550, 56722), (4667, 55300), (5026, 51350), (5135, 50260), (5530, 46670), (7180, 35945), (7189, 35900), (7900, 32669), (8975, 28756), (9100, 28361), (9334, 27650), (10052, 25675), (10270, 25130), (11060, 23335), (12565, 20540), (13825, 18668), (14378, 17950)]