890644300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1009}}^1$

素因数の和:1140

約数の個数: 144

約数和(自身を含む): 2405609920

約数和(自身を除く): 1514965620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 25, 26, 28, 35, 50, 52, 65, 70, 91, 97, 100, 130, 140, 175, 182, 194, 260, 325, 350, 364, 388, 455, 485, 650, 679, 700, 910, 970, 1009, 1261, 1300, 1358, 1820, 1940, 2018, 2275, 2425, 2522, 2716, 3395, 4036, 4550, 4850, 5044, 5045, 6305, 6790, 7063, 8827, 9100, 9700, 10090, 12610, 13117, 13580, 14126, 16975, 17654, 20180, 25220, 25225, 26234, 28252, 31525, 33950, 35308, 35315, 44135, 50450, 52468, 63050, 65585, 67900, 70630, 88270, 91819, 97873, 100900, 126100, 131170, 141260, 176540, 176575, 183638, 195746, 220675, 262340, 327925, 353150, 367276, 391492, 441350, 459095, 489365, 655850, 685111, 706300, 882700, 918190, 978730, 1272349, 1311700, 1370222, 1836380, 1957460, 2295475, 2446825, 2544698, 2740444, 3425555, 4590950, 4893650, 5089396, 6361745, 6851110, 8906443, 9181900, 9787300, 12723490, 13702220, 17127775, 17812886, 25446980, 31808725, 34255550, 35625772, 44532215, 63617450, 68511100, 89064430, 127234900, 178128860, 222661075, 445322150, 890644300]

約数ペア:

[(1, 890644300), (2, 445322150), (4, 222661075), (5, 178128860), (7, 127234900), (10, 89064430), (13, 68511100), (14, 63617450), (20, 44532215), (25, 35625772), (26, 34255550), (28, 31808725), (35, 25446980), (50, 17812886), (52, 17127775), (65, 13702220), (70, 12723490), (91, 9787300), (97, 9181900), (100, 8906443), (130, 6851110), (140, 6361745), (175, 5089396), (182, 4893650), (194, 4590950), (260, 3425555), (325, 2740444), (350, 2544698), (364, 2446825), (388, 2295475), (455, 1957460), (485, 1836380), (650, 1370222), (679, 1311700), (700, 1272349), (910, 978730), (970, 918190), (1009, 882700), (1261, 706300), (1300, 685111), (1358, 655850), (1820, 489365), (1940, 459095), (2018, 441350), (2275, 391492), (2425, 367276), (2522, 353150), (2716, 327925), (3395, 262340), (4036, 220675), (4550, 195746), (4850, 183638), (5044, 176575), (5045, 176540), (6305, 141260), (6790, 131170), (7063, 126100), (8827, 100900), (9100, 97873), (9700, 91819), (10090, 88270), (12610, 70630), (13117, 67900), (13580, 65585), (14126, 63050), (16975, 52468), (17654, 50450), (20180, 44135), (25220, 35315), (25225, 35308), (26234, 33950), (28252, 31525)]