11281996180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{1999}}^1$

素因数の和:2478

約数の個数: 144

約数和(自身を含む): 29762208000

約数和(自身を除く): 18480211820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 49, 52, 65, 70, 91, 98, 130, 140, 182, 196, 245, 260, 364, 443, 455, 490, 637, 886, 910, 980, 1274, 1772, 1820, 1999, 2215, 2548, 3101, 3185, 3998, 4430, 5759, 6202, 6370, 7996, 8860, 9995, 11518, 12404, 12740, 13993, 15505, 19990, 21707, 23036, 25987, 27986, 28795, 31010, 39980, 40313, 43414, 51974, 55972, 57590, 62020, 69965, 80626, 86828, 97951, 103948, 108535, 115180, 129935, 139930, 161252, 181909, 195902, 201565, 217070, 259870, 279860, 282191, 363818, 391804, 403130, 434140, 489755, 519740, 564382, 727636, 806260, 885557, 909545, 979510, 1128764, 1273363, 1410955, 1771114, 1819090, 1959020, 2546726, 2821910, 3542228, 3638180, 4427785, 5093452, 5643820, 6198899, 6366815, 8855570, 11512241, 12397798, 12733630, 17711140, 23024482, 24795596, 25467260, 30994495, 43392293, 46048964, 57561205, 61988990, 80585687, 86784586, 115122410, 123977980, 161171374, 173569172, 216961465, 230244820, 322342748, 402928435, 433922930, 564099809, 805856870, 867845860, 1128199618, 1611713740, 2256399236, 2820499045, 5640998090, 11281996180]

約数ペア:

[(1, 11281996180), (2, 5640998090), (4, 2820499045), (5, 2256399236), (7, 1611713740), (10, 1128199618), (13, 867845860), (14, 805856870), (20, 564099809), (26, 433922930), (28, 402928435), (35, 322342748), (49, 230244820), (52, 216961465), (65, 173569172), (70, 161171374), (91, 123977980), (98, 115122410), (130, 86784586), (140, 80585687), (182, 61988990), (196, 57561205), (245, 46048964), (260, 43392293), (364, 30994495), (443, 25467260), (455, 24795596), (490, 23024482), (637, 17711140), (886, 12733630), (910, 12397798), (980, 11512241), (1274, 8855570), (1772, 6366815), (1820, 6198899), (1999, 5643820), (2215, 5093452), (2548, 4427785), (3101, 3638180), (3185, 3542228), (3998, 2821910), (4430, 2546726), (5759, 1959020), (6202, 1819090), (6370, 1771114), (7996, 1410955), (8860, 1273363), (9995, 1128764), (11518, 979510), (12404, 909545), (12740, 885557), (13993, 806260), (15505, 727636), (19990, 564382), (21707, 519740), (23036, 489755), (25987, 434140), (27986, 403130), (28795, 391804), (31010, 363818), (39980, 282191), (40313, 279860), (43414, 259870), (51974, 217070), (55972, 201565), (57590, 195902), (62020, 181909), (69965, 161252), (80626, 139930), (86828, 129935), (97951, 115180), (103948, 108535)]