231213440

素因数分解:

$2^7\times 5^1\times {\mathrm{361271}}^1$

素因数の和:361290

約数の個数: 32

約数和(自身を含む): 552746160

約数和(自身を除く): 321532720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 361271, 722542, 1445084, 1806355, 2890168, 3612710, 5780336, 7225420, 11560672, 14450840, 23121344, 28901680, 46242688, 57803360, 115606720, 231213440]

約数ペア:

[(1, 231213440), (2, 115606720), (4, 57803360), (5, 46242688), (8, 28901680), (10, 23121344), (16, 14450840), (20, 11560672), (32, 7225420), (40, 5780336), (64, 3612710), (80, 2890168), (128, 1806355), (160, 1445084), (320, 722542), (640, 361271)]