249974320

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:542

約数の個数: 80

約数和(自身を含む): 595720800

約数和(自身を除く): 345746480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 149, 268, 298, 313, 335, 536, 596, 626, 670, 745, 1072, 1192, 1252, 1340, 1490, 1565, 2384, 2504, 2680, 2980, 3130, 5008, 5360, 5960, 6260, 9983, 11920, 12520, 19966, 20971, 25040, 39932, 41942, 46637, 49915, 79864, 83884, 93274, 99830, 104855, 159728, 167768, 186548, 199660, 209710, 233185, 335536, 373096, 399320, 419420, 466370, 746192, 798640, 838840, 932740, 1677680, 1865480, 3124679, 3730960, 6249358, 12498716, 15623395, 24997432, 31246790, 49994864, 62493580, 124987160, 249974320]

約数ペア:

[(1, 249974320), (2, 124987160), (4, 62493580), (5, 49994864), (8, 31246790), (10, 24997432), (16, 15623395), (20, 12498716), (40, 6249358), (67, 3730960), (80, 3124679), (134, 1865480), (149, 1677680), (268, 932740), (298, 838840), (313, 798640), (335, 746192), (536, 466370), (596, 419420), (626, 399320), (670, 373096), (745, 335536), (1072, 233185), (1192, 209710), (1252, 199660), (1340, 186548), (1490, 167768), (1565, 159728), (2384, 104855), (2504, 99830), (2680, 93274), (2980, 83884), (3130, 79864), (5008, 49915), (5360, 46637), (5960, 41942), (6260, 39932), (9983, 25040), (11920, 20971), (12520, 19966)]