205323230

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{1931}}^1$

素因数の和:1990

約数の個数: 64

約数和(自身を含む): 445132800

約数和(自身を除く): 239809570

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 49, 62, 70, 98, 155, 217, 245, 310, 343, 434, 490, 686, 1085, 1519, 1715, 1931, 2170, 3038, 3430, 3862, 7595, 9655, 10633, 13517, 15190, 19310, 21266, 27034, 53165, 59861, 67585, 94619, 106330, 119722, 135170, 189238, 299305, 419027, 473095, 598610, 662333, 838054, 946190, 1324666, 2095135, 2933189, 3311665, 4190270, 5866378, 6623330, 14665945, 20532323, 29331890, 41064646, 102661615, 205323230]

約数ペア:

[(1, 205323230), (2, 102661615), (5, 41064646), (7, 29331890), (10, 20532323), (14, 14665945), (31, 6623330), (35, 5866378), (49, 4190270), (62, 3311665), (70, 2933189), (98, 2095135), (155, 1324666), (217, 946190), (245, 838054), (310, 662333), (343, 598610), (434, 473095), (490, 419027), (686, 299305), (1085, 189238), (1519, 135170), (1715, 119722), (1931, 106330), (2170, 94619), (3038, 67585), (3430, 59861), (3862, 53165), (7595, 27034), (9655, 21266), (10633, 19310), (13517, 15190)]