121975390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{4421}}^1$

素因数の和:4548

約数の個数: 32

約数和(自身を含む): 229236480

約数和(自身を除く): 107261090

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 445, 890, 2759, 4421, 5518, 8842, 13795, 22105, 27590, 44210, 137051, 274102, 393469, 685255, 786938, 1370510, 1967345, 3934690, 12197539, 24395078, 60987695, 121975390]

約数ペア:

[(1, 121975390), (2, 60987695), (5, 24395078), (10, 12197539), (31, 3934690), (62, 1967345), (89, 1370510), (155, 786938), (178, 685255), (310, 393469), (445, 274102), (890, 137051), (2759, 44210), (4421, 27590), (5518, 22105), (8842, 13795)]