201986390

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{7321}}^1$

素因数の和:7448

約数の個数: 32

約数和(自身を含む): 379572480

約数和(自身を除く): 177586090

約数列:

[1, 2, 5, 10, 31, 62, 89, 155, 178, 310, 445, 890, 2759, 5518, 7321, 13795, 14642, 27590, 36605, 73210, 226951, 453902, 651569, 1134755, 1303138, 2269510, 3257845, 6515690, 20198639, 40397278, 100993195, 201986390]

約数ペア:

[(1, 201986390), (2, 100993195), (5, 40397278), (10, 20198639), (31, 6515690), (62, 3257845), (89, 2269510), (155, 1303138), (178, 1134755), (310, 651569), (445, 453902), (890, 226951), (2759, 73210), (5518, 36605), (7321, 27590), (13795, 14642)]