9631720840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{484493}}^1$

素因数の和:484582

約数の個数: 64

約数和(自身を含む): 25116168960

約数和(自身を除く): 15484448120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 19880, 484493, 968986, 1937972, 2422465, 3391451, 3875944, 4844930, 6782902, 9689860, 13565804, 16957255, 19379720, 27131608, 33914510, 34399003, 67829020, 68798006, 135658040, 137596012, 171995015, 240793021, 275192024, 343990030, 481586042, 687980060, 963172084, 1203965105, 1375960120, 1926344168, 2407930210, 4815860420, 9631720840]

約数ペア:

[(1, 9631720840), (2, 4815860420), (4, 2407930210), (5, 1926344168), (7, 1375960120), (8, 1203965105), (10, 963172084), (14, 687980060), (20, 481586042), (28, 343990030), (35, 275192024), (40, 240793021), (56, 171995015), (70, 137596012), (71, 135658040), (140, 68798006), (142, 67829020), (280, 34399003), (284, 33914510), (355, 27131608), (497, 19379720), (568, 16957255), (710, 13565804), (994, 9689860), (1420, 6782902), (1988, 4844930), (2485, 3875944), (2840, 3391451), (3976, 2422465), (4970, 1937972), (9940, 968986), (19880, 484493)]