216572510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:310

約数の個数: 128

約数和(自身を含む): 515801088

約数和(自身を除く): 299228578

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 31, 35, 43, 55, 62, 70, 77, 86, 110, 154, 155, 211, 215, 217, 301, 310, 341, 385, 422, 430, 434, 473, 602, 682, 770, 946, 1055, 1085, 1333, 1477, 1505, 1705, 2110, 2170, 2321, 2365, 2387, 2666, 2954, 3010, 3311, 3410, 4642, 4730, 4774, 6541, 6622, 6665, 7385, 9073, 9331, 11605, 11935, 13082, 13330, 14663, 14770, 16247, 16555, 18146, 18662, 23210, 23870, 29326, 32494, 32705, 33110, 45365, 45787, 46655, 63511, 65410, 71951, 73315, 81235, 90730, 91574, 93310, 99803, 102641, 127022, 143902, 146630, 162470, 199606, 205282, 228935, 281263, 317555, 359755, 457870, 499015, 503657, 513205, 562526, 635110, 698621, 719510, 998030, 1007314, 1026410, 1397242, 1406315, 1968841, 2518285, 2812630, 3093893, 3493105, 3937682, 5036570, 6187786, 6986210, 9844205, 15469465, 19688410, 21657251, 30938930, 43314502, 108286255, 216572510]

約数ペア:

[(1, 216572510), (2, 108286255), (5, 43314502), (7, 30938930), (10, 21657251), (11, 19688410), (14, 15469465), (22, 9844205), (31, 6986210), (35, 6187786), (43, 5036570), (55, 3937682), (62, 3493105), (70, 3093893), (77, 2812630), (86, 2518285), (110, 1968841), (154, 1406315), (155, 1397242), (211, 1026410), (215, 1007314), (217, 998030), (301, 719510), (310, 698621), (341, 635110), (385, 562526), (422, 513205), (430, 503657), (434, 499015), (473, 457870), (602, 359755), (682, 317555), (770, 281263), (946, 228935), (1055, 205282), (1085, 199606), (1333, 162470), (1477, 146630), (1505, 143902), (1705, 127022), (2110, 102641), (2170, 99803), (2321, 93310), (2365, 91574), (2387, 90730), (2666, 81235), (2954, 73315), (3010, 71951), (3311, 65410), (3410, 63511), (4642, 46655), (4730, 45787), (4774, 45365), (6541, 33110), (6622, 32705), (6665, 32494), (7385, 29326), (9073, 23870), (9331, 23210), (11605, 18662), (11935, 18146), (13082, 16555), (13330, 16247), (14663, 14770)]