202840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 498960

約数和(自身を除く): 296120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 461, 922, 1844, 2305, 3688, 4610, 5071, 9220, 10142, 18440, 20284, 25355, 40568, 50710, 101420, 202840]

約数ペア:

[(1, 202840), (2, 101420), (4, 50710), (5, 40568), (8, 25355), (10, 20284), (11, 18440), (20, 10142), (22, 9220), (40, 5071), (44, 4610), (55, 3688), (88, 2305), (110, 1844), (220, 922), (440, 461)]