30938215

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 51010560

約数和(自身を除く): 20072345

約数列:

[1, 5, 7, 11, 17, 29, 35, 55, 77, 85, 119, 145, 163, 187, 203, 319, 385, 493, 595, 815, 935, 1015, 1141, 1309, 1595, 1793, 2233, 2465, 2771, 3451, 4727, 5423, 5705, 6545, 8965, 11165, 12551, 13855, 17255, 19397, 23635, 27115, 30481, 33089, 37961, 51997, 62755, 80359, 96985, 152405, 165445, 189805, 213367, 259985, 363979, 401795, 562513, 883949, 1066835, 1819895, 2812565, 4419745, 6187643, 30938215]

約数ペア:

[(1, 30938215), (5, 6187643), (7, 4419745), (11, 2812565), (17, 1819895), (29, 1066835), (35, 883949), (55, 562513), (77, 401795), (85, 363979), (119, 259985), (145, 213367), (163, 189805), (187, 165445), (203, 152405), (319, 96985), (385, 80359), (493, 62755), (595, 51997), (815, 37961), (935, 33089), (1015, 30481), (1141, 27115), (1309, 23635), (1595, 19397), (1793, 17255), (2233, 13855), (2465, 12551), (2771, 11165), (3451, 8965), (4727, 6545), (5423, 5705)]