522340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:77

約数の個数: 72

約数和(自身を含む): 1407672

約数和(自身を除く): 885332

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 41, 49, 52, 65, 70, 82, 91, 98, 130, 140, 164, 182, 196, 205, 245, 260, 287, 364, 410, 455, 490, 533, 574, 637, 820, 910, 980, 1066, 1148, 1274, 1435, 1820, 2009, 2132, 2548, 2665, 2870, 3185, 3731, 4018, 5330, 5740, 6370, 7462, 8036, 10045, 10660, 12740, 14924, 18655, 20090, 26117, 37310, 40180, 52234, 74620, 104468, 130585, 261170, 522340]

約数ペア:

[(1, 522340), (2, 261170), (4, 130585), (5, 104468), (7, 74620), (10, 52234), (13, 40180), (14, 37310), (20, 26117), (26, 20090), (28, 18655), (35, 14924), (41, 12740), (49, 10660), (52, 10045), (65, 8036), (70, 7462), (82, 6370), (91, 5740), (98, 5330), (130, 4018), (140, 3731), (164, 3185), (182, 2870), (196, 2665), (205, 2548), (245, 2132), (260, 2009), (287, 1820), (364, 1435), (410, 1274), (455, 1148), (490, 1066), (533, 980), (574, 910), (637, 820)]