181229020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{31573}}^1$

素因数の和:31630

約数の個数: 48

約数和(自身を含む): 445572288

約数和(自身を除く): 264343268

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 31573, 63146, 126292, 157865, 221011, 315730, 442022, 631460, 884044, 1105055, 1294493, 2210110, 2588986, 4420220, 5177972, 6472465, 9061451, 12944930, 18122902, 25889860, 36245804, 45307255, 90614510, 181229020]

約数ペア:

[(1, 181229020), (2, 90614510), (4, 45307255), (5, 36245804), (7, 25889860), (10, 18122902), (14, 12944930), (20, 9061451), (28, 6472465), (35, 5177972), (41, 4420220), (70, 2588986), (82, 2210110), (140, 1294493), (164, 1105055), (205, 884044), (287, 631460), (410, 442022), (574, 315730), (820, 221011), (1148, 157865), (1435, 126292), (2870, 63146), (5740, 31573)]