43428440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{1109}}^1$

素因数の和:1220

約数の個数: 64

約数和(自身を含む): 107892000

約数和(自身を除く): 64463560

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 89, 110, 178, 220, 356, 440, 445, 712, 890, 979, 1109, 1780, 1958, 2218, 3560, 3916, 4436, 4895, 5545, 7832, 8872, 9790, 11090, 12199, 19580, 22180, 24398, 39160, 44360, 48796, 60995, 97592, 98701, 121990, 197402, 243980, 394804, 487960, 493505, 789608, 987010, 1085711, 1974020, 2171422, 3948040, 4342844, 5428555, 8685688, 10857110, 21714220, 43428440]

約数ペア:

[(1, 43428440), (2, 21714220), (4, 10857110), (5, 8685688), (8, 5428555), (10, 4342844), (11, 3948040), (20, 2171422), (22, 1974020), (40, 1085711), (44, 987010), (55, 789608), (88, 493505), (89, 487960), (110, 394804), (178, 243980), (220, 197402), (356, 121990), (440, 98701), (445, 97592), (712, 60995), (890, 48796), (979, 44360), (1109, 39160), (1780, 24398), (1958, 22180), (2218, 19580), (3560, 12199), (3916, 11090), (4436, 9790), (4895, 8872), (5545, 7832)]