123501990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{17977}}^1$

素因数の和:18216

約数の個数: 32

約数和(自身を含む): 297715680

約数和(自身を除く): 174213690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 229, 458, 687, 1145, 1374, 2290, 3435, 6870, 17977, 35954, 53931, 89885, 107862, 179770, 269655, 539310, 4116733, 8233466, 12350199, 20583665, 24700398, 41167330, 61750995, 123501990]

約数ペア:

[(1, 123501990), (2, 61750995), (3, 41167330), (5, 24700398), (6, 20583665), (10, 12350199), (15, 8233466), (30, 4116733), (229, 539310), (458, 269655), (687, 179770), (1145, 107862), (1374, 89885), (2290, 53931), (3435, 35954), (6870, 17977)]