291229220

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 667408896

約数和(自身を除く): 376179676

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 71, 74, 92, 115, 142, 148, 185, 230, 241, 284, 355, 370, 460, 482, 710, 740, 851, 964, 1205, 1420, 1633, 1702, 2410, 2627, 3266, 3404, 4255, 4820, 5254, 5543, 6532, 8165, 8510, 8917, 10508, 11086, 13135, 16330, 17020, 17111, 17834, 22172, 26270, 27715, 32660, 34222, 35668, 44585, 52540, 55430, 60421, 68444, 85555, 89170, 110860, 120842, 171110, 178340, 205091, 241684, 302105, 342220, 393553, 410182, 604210, 633107, 787106, 820364, 1025455, 1208420, 1266214, 1574212, 1967765, 2050910, 2532428, 3165535, 3935530, 4101820, 6331070, 7871060, 12662140, 14561461, 29122922, 58245844, 72807305, 145614610, 291229220]

約数ペア:

[(1, 291229220), (2, 145614610), (4, 72807305), (5, 58245844), (10, 29122922), (20, 14561461), (23, 12662140), (37, 7871060), (46, 6331070), (71, 4101820), (74, 3935530), (92, 3165535), (115, 2532428), (142, 2050910), (148, 1967765), (185, 1574212), (230, 1266214), (241, 1208420), (284, 1025455), (355, 820364), (370, 787106), (460, 633107), (482, 604210), (710, 410182), (740, 393553), (851, 342220), (964, 302105), (1205, 241684), (1420, 205091), (1633, 178340), (1702, 171110), (2410, 120842), (2627, 110860), (3266, 89170), (3404, 85555), (4255, 68444), (4820, 60421), (5254, 55430), (5543, 52540), (6532, 44585), (8165, 35668), (8510, 34222), (8917, 32660), (10508, 27715), (11086, 26270), (13135, 22172), (16330, 17834), (17020, 17111)]