286991200

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:357

約数の個数: 144

約数和(自身を含む): 749952000

約数和(自身を除く): 462960800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 79, 80, 95, 100, 152, 158, 160, 190, 200, 239, 304, 316, 380, 395, 400, 475, 478, 608, 632, 760, 790, 800, 950, 956, 1195, 1264, 1501, 1520, 1580, 1900, 1912, 1975, 2390, 2528, 3002, 3040, 3160, 3800, 3824, 3950, 4541, 4780, 5975, 6004, 6320, 7505, 7600, 7648, 7900, 9082, 9560, 11950, 12008, 12640, 15010, 15200, 15800, 18164, 18881, 19120, 22705, 23900, 24016, 30020, 31600, 36328, 37525, 37762, 38240, 45410, 47800, 48032, 60040, 63200, 72656, 75050, 75524, 90820, 94405, 95600, 113525, 120080, 145312, 150100, 151048, 181640, 188810, 191200, 227050, 240160, 300200, 302096, 358739, 363280, 377620, 454100, 472025, 600400, 604192, 717478, 726560, 755240, 908200, 944050, 1200800, 1434956, 1510480, 1793695, 1816400, 1888100, 2869912, 3020960, 3587390, 3632800, 3776200, 5739824, 7174780, 7552400, 8968475, 11479648, 14349560, 15104800, 17936950, 28699120, 35873900, 57398240, 71747800, 143495600, 286991200]

約数ペア:

[(1, 286991200), (2, 143495600), (4, 71747800), (5, 57398240), (8, 35873900), (10, 28699120), (16, 17936950), (19, 15104800), (20, 14349560), (25, 11479648), (32, 8968475), (38, 7552400), (40, 7174780), (50, 5739824), (76, 3776200), (79, 3632800), (80, 3587390), (95, 3020960), (100, 2869912), (152, 1888100), (158, 1816400), (160, 1793695), (190, 1510480), (200, 1434956), (239, 1200800), (304, 944050), (316, 908200), (380, 755240), (395, 726560), (400, 717478), (475, 604192), (478, 600400), (608, 472025), (632, 454100), (760, 377620), (790, 363280), (800, 358739), (950, 302096), (956, 300200), (1195, 240160), (1264, 227050), (1501, 191200), (1520, 188810), (1580, 181640), (1900, 151048), (1912, 150100), (1975, 145312), (2390, 120080), (2528, 113525), (3002, 95600), (3040, 94405), (3160, 90820), (3800, 75524), (3824, 75050), (3950, 72656), (4541, 63200), (4780, 60040), (5975, 48032), (6004, 47800), (6320, 45410), (7505, 38240), (7600, 37762), (7648, 37525), (7900, 36328), (9082, 31600), (9560, 30020), (11950, 24016), (12008, 23900), (12640, 22705), (15010, 19120), (15200, 18881), (15800, 18164)]