498477980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3557}}^1$

素因数の和:3604

約数の個数: 144

約数和(自身を含む): 1430999136

約数和(自身を除く): 932521156

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 49, 52, 55, 65, 70, 77, 91, 98, 110, 130, 140, 143, 154, 182, 196, 220, 245, 260, 286, 308, 364, 385, 455, 490, 539, 572, 637, 715, 770, 910, 980, 1001, 1078, 1274, 1430, 1540, 1820, 2002, 2156, 2548, 2695, 2860, 3185, 3557, 4004, 5005, 5390, 6370, 7007, 7114, 10010, 10780, 12740, 14014, 14228, 17785, 20020, 24899, 28028, 35035, 35570, 39127, 46241, 49798, 70070, 71140, 78254, 92482, 99596, 124495, 140140, 156508, 174293, 184964, 195635, 231205, 248990, 273889, 323687, 348586, 391270, 462410, 497980, 508651, 547778, 647374, 697172, 782540, 871465, 924820, 1017302, 1095556, 1294748, 1369445, 1618435, 1742930, 1917223, 2034604, 2265809, 2543255, 2738890, 3236870, 3485860, 3560557, 3834446, 4531618, 5086510, 5477780, 6473740, 7121114, 7668892, 9063236, 9586115, 10173020, 11329045, 14242228, 17802785, 19172230, 22658090, 24923899, 35605570, 38344460, 45316180, 49847798, 71211140, 99695596, 124619495, 249238990, 498477980]

約数ペア:

[(1, 498477980), (2, 249238990), (4, 124619495), (5, 99695596), (7, 71211140), (10, 49847798), (11, 45316180), (13, 38344460), (14, 35605570), (20, 24923899), (22, 22658090), (26, 19172230), (28, 17802785), (35, 14242228), (44, 11329045), (49, 10173020), (52, 9586115), (55, 9063236), (65, 7668892), (70, 7121114), (77, 6473740), (91, 5477780), (98, 5086510), (110, 4531618), (130, 3834446), (140, 3560557), (143, 3485860), (154, 3236870), (182, 2738890), (196, 2543255), (220, 2265809), (245, 2034604), (260, 1917223), (286, 1742930), (308, 1618435), (364, 1369445), (385, 1294748), (455, 1095556), (490, 1017302), (539, 924820), (572, 871465), (637, 782540), (715, 697172), (770, 647374), (910, 547778), (980, 508651), (1001, 497980), (1078, 462410), (1274, 391270), (1430, 348586), (1540, 323687), (1820, 273889), (2002, 248990), (2156, 231205), (2548, 195635), (2695, 184964), (2860, 174293), (3185, 156508), (3557, 140140), (4004, 124495), (5005, 99596), (5390, 92482), (6370, 78254), (7007, 71140), (7114, 70070), (10010, 49798), (10780, 46241), (12740, 39127), (14014, 35570), (14228, 35035), (17785, 28028), (20020, 24899)]