305184740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{2857}}^1$

素因数の和:2989

約数の個数: 72

約数和(自身を含む): 752625720

約数和(自身を除く): 447440980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 109, 140, 196, 218, 245, 436, 490, 545, 763, 980, 1090, 1526, 2180, 2857, 3052, 3815, 5341, 5714, 7630, 10682, 11428, 14285, 15260, 19999, 21364, 26705, 28570, 39998, 53410, 57140, 79996, 99995, 106820, 139993, 199990, 279986, 311413, 399980, 559972, 622826, 699965, 1245652, 1399930, 1557065, 2179891, 2799860, 3114130, 4359782, 6228260, 8719564, 10899455, 15259237, 21798910, 30518474, 43597820, 61036948, 76296185, 152592370, 305184740]

約数ペア:

[(1, 305184740), (2, 152592370), (4, 76296185), (5, 61036948), (7, 43597820), (10, 30518474), (14, 21798910), (20, 15259237), (28, 10899455), (35, 8719564), (49, 6228260), (70, 4359782), (98, 3114130), (109, 2799860), (140, 2179891), (196, 1557065), (218, 1399930), (245, 1245652), (436, 699965), (490, 622826), (545, 559972), (763, 399980), (980, 311413), (1090, 279986), (1526, 199990), (2180, 139993), (2857, 106820), (3052, 99995), (3815, 79996), (5341, 57140), (5714, 53410), (7630, 39998), (10682, 28570), (11428, 26705), (14285, 21364), (15260, 19999)]