245655284

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{7649}}^1$

素因数の和:7728

約数の個数: 48

約数和(自身を含む): 520934400

約数和(自身を除く): 275279116

約数列:

[1, 2, 4, 7, 14, 28, 31, 37, 62, 74, 124, 148, 217, 259, 434, 518, 868, 1036, 1147, 2294, 4588, 7649, 8029, 15298, 16058, 30596, 32116, 53543, 107086, 214172, 237119, 283013, 474238, 566026, 948476, 1132052, 1659833, 1981091, 3319666, 3962182, 6639332, 7924364, 8773403, 17546806, 35093612, 61413821, 122827642, 245655284]

約数ペア:

[(1, 245655284), (2, 122827642), (4, 61413821), (7, 35093612), (14, 17546806), (28, 8773403), (31, 7924364), (37, 6639332), (62, 3962182), (74, 3319666), (124, 1981091), (148, 1659833), (217, 1132052), (259, 948476), (434, 566026), (518, 474238), (868, 283013), (1036, 237119), (1147, 214172), (2294, 107086), (4588, 53543), (7649, 32116), (8029, 30596), (15298, 16058)]