213187840

素因数分解:

$2^8\times 5^1\times {\mathrm{151}}^1\times {\mathrm{1103}}^1$

素因数の和:1275

約数の個数: 72

約数和(自身を含む): 514499328

約数和(自身を除く): 301311488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 256, 302, 320, 604, 640, 755, 1103, 1208, 1280, 1510, 2206, 2416, 3020, 4412, 4832, 5515, 6040, 8824, 9664, 11030, 12080, 17648, 19328, 22060, 24160, 35296, 38656, 44120, 48320, 70592, 88240, 96640, 141184, 166553, 176480, 193280, 282368, 333106, 352960, 666212, 705920, 832765, 1332424, 1411840, 1665530, 2664848, 3331060, 5329696, 6662120, 10659392, 13324240, 21318784, 26648480, 42637568, 53296960, 106593920, 213187840]

約数ペア:

[(1, 213187840), (2, 106593920), (4, 53296960), (5, 42637568), (8, 26648480), (10, 21318784), (16, 13324240), (20, 10659392), (32, 6662120), (40, 5329696), (64, 3331060), (80, 2664848), (128, 1665530), (151, 1411840), (160, 1332424), (256, 832765), (302, 705920), (320, 666212), (604, 352960), (640, 333106), (755, 282368), (1103, 193280), (1208, 176480), (1280, 166553), (1510, 141184), (2206, 96640), (2416, 88240), (3020, 70592), (4412, 48320), (4832, 44120), (5515, 38656), (6040, 35296), (8824, 24160), (9664, 22060), (11030, 19328), (12080, 17648)]