169137220

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{172589}}^1$

素因数の和:172612

約数の個数: 36

約数和(自身を含む): 413180460

約数和(自身を除く): 244043240

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 172589, 345178, 690356, 862945, 1208123, 1725890, 2416246, 3451780, 4832492, 6040615, 8456861, 12081230, 16913722, 24162460, 33827444, 42284305, 84568610, 169137220]

約数ペア:

[(1, 169137220), (2, 84568610), (4, 42284305), (5, 33827444), (7, 24162460), (10, 16913722), (14, 12081230), (20, 8456861), (28, 6040615), (35, 4832492), (49, 3451780), (70, 2416246), (98, 1725890), (140, 1208123), (196, 862945), (245, 690356), (490, 345178), (980, 172589)]