851208400

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{137}}^1\times {\mathrm{317}}^1$

素因数の和:486

約数の個数: 180

約数和(自身を含む): 2403833868

約数和(自身を除く): 1552625468

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 137, 140, 175, 196, 200, 245, 274, 280, 317, 350, 392, 400, 490, 548, 560, 634, 685, 700, 784, 959, 980, 1096, 1225, 1268, 1370, 1400, 1585, 1918, 1960, 2192, 2219, 2450, 2536, 2740, 2800, 3170, 3425, 3836, 3920, 4438, 4795, 4900, 5072, 5480, 6340, 6713, 6850, 7672, 7925, 8876, 9590, 9800, 10960, 11095, 12680, 13426, 13700, 15344, 15533, 15850, 17752, 19180, 19600, 22190, 23975, 25360, 26852, 27400, 31066, 31700, 33565, 35504, 38360, 43429, 44380, 47950, 53704, 54800, 55475, 62132, 63400, 67130, 76720, 77665, 86858, 88760, 95900, 107408, 110950, 124264, 126800, 134260, 155330, 167825, 173716, 177520, 191800, 217145, 221900, 248528, 268520, 304003, 310660, 335650, 347432, 383600, 388325, 434290, 443800, 537040, 608006, 621320, 671300, 694864, 776650, 868580, 887600, 1085725, 1216012, 1242640, 1342600, 1520015, 1553300, 1737160, 2128021, 2171450, 2432024, 2685200, 3040030, 3106600, 3474320, 4256042, 4342900, 4864048, 6080060, 6213200, 7600075, 8512084, 8685800, 10640105, 12160120, 15200150, 17024168, 17371600, 21280210, 24320240, 30400300, 34048336, 42560420, 53200525, 60800600, 85120840, 106401050, 121601200, 170241680, 212802100, 425604200, 851208400]

約数ペア:

[(1, 851208400), (2, 425604200), (4, 212802100), (5, 170241680), (7, 121601200), (8, 106401050), (10, 85120840), (14, 60800600), (16, 53200525), (20, 42560420), (25, 34048336), (28, 30400300), (35, 24320240), (40, 21280210), (49, 17371600), (50, 17024168), (56, 15200150), (70, 12160120), (80, 10640105), (98, 8685800), (100, 8512084), (112, 7600075), (137, 6213200), (140, 6080060), (175, 4864048), (196, 4342900), (200, 4256042), (245, 3474320), (274, 3106600), (280, 3040030), (317, 2685200), (350, 2432024), (392, 2171450), (400, 2128021), (490, 1737160), (548, 1553300), (560, 1520015), (634, 1342600), (685, 1242640), (700, 1216012), (784, 1085725), (959, 887600), (980, 868580), (1096, 776650), (1225, 694864), (1268, 671300), (1370, 621320), (1400, 608006), (1585, 537040), (1918, 443800), (1960, 434290), (2192, 388325), (2219, 383600), (2450, 347432), (2536, 335650), (2740, 310660), (2800, 304003), (3170, 268520), (3425, 248528), (3836, 221900), (3920, 217145), (4438, 191800), (4795, 177520), (4900, 173716), (5072, 167825), (5480, 155330), (6340, 134260), (6713, 126800), (6850, 124264), (7672, 110950), (7925, 107408), (8876, 95900), (9590, 88760), (9800, 86858), (10960, 77665), (11095, 76720), (12680, 67130), (13426, 63400), (13700, 62132), (15344, 55475), (15533, 54800), (15850, 53704), (17752, 47950), (19180, 44380), (19600, 43429), (22190, 38360), (23975, 35504), (25360, 33565), (26852, 31700), (27400, 31066)]