839802470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7907}}^1$

素因数の和:7989

約数の個数: 64

約数和(自身を含む): 1753678080

約数和(自身を除く): 913875610

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 43, 65, 86, 95, 130, 190, 215, 247, 430, 494, 559, 817, 1118, 1235, 1634, 2470, 2795, 4085, 5590, 7907, 8170, 10621, 15814, 21242, 39535, 53105, 79070, 102791, 106210, 150233, 205582, 300466, 340001, 513955, 680002, 751165, 1027910, 1502330, 1700005, 1953029, 3400010, 3906058, 4420013, 6460019, 8840026, 9765145, 12920038, 19530290, 22100065, 32300095, 44200130, 64600190, 83980247, 167960494, 419901235, 839802470]

約数ペア:

[(1, 839802470), (2, 419901235), (5, 167960494), (10, 83980247), (13, 64600190), (19, 44200130), (26, 32300095), (38, 22100065), (43, 19530290), (65, 12920038), (86, 9765145), (95, 8840026), (130, 6460019), (190, 4420013), (215, 3906058), (247, 3400010), (430, 1953029), (494, 1700005), (559, 1502330), (817, 1027910), (1118, 751165), (1235, 680002), (1634, 513955), (2470, 340001), (2795, 300466), (4085, 205582), (5590, 150233), (7907, 106210), (8170, 102791), (10621, 79070), (15814, 53105), (21242, 39535)]