278535124

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{2999}}^1$

素因数の和:3148

約数の個数: 48

約数和(自身を含む): 580608000

約数和(自身を除く): 302072876

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 107, 124, 214, 217, 428, 434, 749, 868, 1498, 2996, 2999, 3317, 5998, 6634, 11996, 13268, 20993, 23219, 41986, 46438, 83972, 92876, 92969, 185938, 320893, 371876, 641786, 650783, 1283572, 1301566, 2246251, 2603132, 4492502, 8985004, 9947683, 19895366, 39790732, 69633781, 139267562, 278535124]

約数ペア:

[(1, 278535124), (2, 139267562), (4, 69633781), (7, 39790732), (14, 19895366), (28, 9947683), (31, 8985004), (62, 4492502), (107, 2603132), (124, 2246251), (214, 1301566), (217, 1283572), (428, 650783), (434, 641786), (749, 371876), (868, 320893), (1498, 185938), (2996, 92969), (2999, 92876), (3317, 83972), (5998, 46438), (6634, 41986), (11996, 23219), (13268, 20993)]