216845920

素因数分解:

$2^5\times 5^1\times {\mathrm{283}}^1\times {\mathrm{4789}}^1$

素因数の和:5087

約数の個数: 48

約数和(自身を含む): 514216080

約数和(自身を除く): 297370160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 283, 566, 1132, 1415, 2264, 2830, 4528, 4789, 5660, 9056, 9578, 11320, 19156, 22640, 23945, 38312, 45280, 47890, 76624, 95780, 153248, 191560, 383120, 766240, 1355287, 2710574, 5421148, 6776435, 10842296, 13552870, 21684592, 27105740, 43369184, 54211480, 108422960, 216845920]

約数ペア:

[(1, 216845920), (2, 108422960), (4, 54211480), (5, 43369184), (8, 27105740), (10, 21684592), (16, 13552870), (20, 10842296), (32, 6776435), (40, 5421148), (80, 2710574), (160, 1355287), (283, 766240), (566, 383120), (1132, 191560), (1415, 153248), (2264, 95780), (2830, 76624), (4528, 47890), (4789, 45280), (5660, 38312), (9056, 23945), (9578, 22640), (11320, 19156)]