30907540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{433}}^1$

素因数の和:568

約数の個数: 48

約数和(自身を含む): 67370688

約数和(自身を除く): 36463148

約数列:

[1, 2, 4, 5, 10, 20, 43, 83, 86, 166, 172, 215, 332, 415, 430, 433, 830, 860, 866, 1660, 1732, 2165, 3569, 4330, 7138, 8660, 14276, 17845, 18619, 35690, 35939, 37238, 71380, 71878, 74476, 93095, 143756, 179695, 186190, 359390, 372380, 718780, 1545377, 3090754, 6181508, 7726885, 15453770, 30907540]

約数ペア:

[(1, 30907540), (2, 15453770), (4, 7726885), (5, 6181508), (10, 3090754), (20, 1545377), (43, 718780), (83, 372380), (86, 359390), (166, 186190), (172, 179695), (215, 143756), (332, 93095), (415, 74476), (430, 71878), (433, 71380), (830, 37238), (860, 35939), (866, 35690), (1660, 18619), (1732, 17845), (2165, 14276), (3569, 8660), (4330, 7138)]