438300080

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{61559}}^1$

素因数の和:61661

約数の個数: 40

約数和(自身を含む): 1030514400

約数和(自身を除く): 592214320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 7120, 61559, 123118, 246236, 307795, 492472, 615590, 984944, 1231180, 2462360, 4924720, 5478751, 10957502, 21915004, 27393755, 43830008, 54787510, 87660016, 109575020, 219150040, 438300080]

約数ペア:

[(1, 438300080), (2, 219150040), (4, 109575020), (5, 87660016), (8, 54787510), (10, 43830008), (16, 27393755), (20, 21915004), (40, 10957502), (80, 5478751), (89, 4924720), (178, 2462360), (356, 1231180), (445, 984944), (712, 615590), (890, 492472), (1424, 307795), (1780, 246236), (3560, 123118), (7120, 61559)]