30640900

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{2339}}^1$

素因数の和:2484

約数の個数: 36

約数和(自身を含む): 67026960

約数和(自身を除く): 36386060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2339, 2620, 3275, 4678, 6550, 9356, 11695, 13100, 23390, 46780, 58475, 116950, 233900, 306409, 612818, 1225636, 1532045, 3064090, 6128180, 7660225, 15320450, 30640900]

約数ペア:

[(1, 30640900), (2, 15320450), (4, 7660225), (5, 6128180), (10, 3064090), (20, 1532045), (25, 1225636), (50, 612818), (100, 306409), (131, 233900), (262, 116950), (524, 58475), (655, 46780), (1310, 23390), (2339, 13100), (2620, 11695), (3275, 9356), (4678, 6550)]