28051870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{2143}}^1$

素因数の和:2185

約数の個数: 64

約数和(自身を含む): 66686976

約数和(自身を除く): 38635106

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 154, 170, 187, 238, 374, 385, 595, 770, 935, 1190, 1309, 1870, 2143, 2618, 4286, 6545, 10715, 13090, 15001, 21430, 23573, 30002, 36431, 47146, 72862, 75005, 117865, 150010, 165011, 182155, 235730, 255017, 330022, 364310, 400741, 510034, 801482, 825055, 1275085, 1650110, 2003705, 2550170, 2805187, 4007410, 5610374, 14025935, 28051870]

約数ペア:

[(1, 28051870), (2, 14025935), (5, 5610374), (7, 4007410), (10, 2805187), (11, 2550170), (14, 2003705), (17, 1650110), (22, 1275085), (34, 825055), (35, 801482), (55, 510034), (70, 400741), (77, 364310), (85, 330022), (110, 255017), (119, 235730), (154, 182155), (170, 165011), (187, 150010), (238, 117865), (374, 75005), (385, 72862), (595, 47146), (770, 36431), (935, 30002), (1190, 23573), (1309, 21430), (1870, 15001), (2143, 13090), (2618, 10715), (4286, 6545)]