426809740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{2749}}^1$

素因数の和:3874

約数の個数: 48

約数和(自身を含む): 1025640000

約数和(自身を除く): 598830260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1109, 2218, 2749, 4436, 5498, 5545, 7763, 10996, 11090, 13745, 15526, 19243, 22180, 27490, 31052, 38486, 38815, 54980, 76972, 77630, 96215, 155260, 192430, 384860, 3048641, 6097282, 12194564, 15243205, 21340487, 30486410, 42680974, 60972820, 85361948, 106702435, 213404870, 426809740]

約数ペア:

[(1, 426809740), (2, 213404870), (4, 106702435), (5, 85361948), (7, 60972820), (10, 42680974), (14, 30486410), (20, 21340487), (28, 15243205), (35, 12194564), (70, 6097282), (140, 3048641), (1109, 384860), (2218, 192430), (2749, 155260), (4436, 96215), (5498, 77630), (5545, 76972), (7763, 54980), (10996, 38815), (11090, 38486), (13745, 31052), (15526, 27490), (19243, 22180)]