295908040

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 677160000

約数和(自身を除く): 381251960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 149, 262, 298, 379, 524, 596, 655, 745, 758, 1048, 1192, 1310, 1490, 1516, 1895, 2620, 2980, 3032, 3790, 5240, 5960, 7580, 15160, 19519, 39038, 49649, 56471, 78076, 97595, 99298, 112942, 156152, 195190, 198596, 225884, 248245, 282355, 390380, 397192, 451768, 496490, 564710, 780760, 992980, 1129420, 1985960, 2258840, 7397701, 14795402, 29590804, 36988505, 59181608, 73977010, 147954020, 295908040]

約数ペア:

[(1, 295908040), (2, 147954020), (4, 73977010), (5, 59181608), (8, 36988505), (10, 29590804), (20, 14795402), (40, 7397701), (131, 2258840), (149, 1985960), (262, 1129420), (298, 992980), (379, 780760), (524, 564710), (596, 496490), (655, 451768), (745, 397192), (758, 390380), (1048, 282355), (1192, 248245), (1310, 225884), (1490, 198596), (1516, 195190), (1895, 156152), (2620, 112942), (2980, 99298), (3032, 97595), (3790, 78076), (5240, 56471), (5960, 49649), (7580, 39038), (15160, 19519)]