521360

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{19}}^1$

素因数の和:53

約数の個数: 80

約数和(自身を含む): 1488000

約数和(自身を除く): 966640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 190, 196, 245, 266, 280, 304, 343, 380, 392, 490, 532, 560, 665, 686, 760, 784, 931, 980, 1064, 1330, 1372, 1520, 1715, 1862, 1960, 2128, 2660, 2744, 3430, 3724, 3920, 4655, 5320, 5488, 6517, 6860, 7448, 9310, 10640, 13034, 13720, 14896, 18620, 26068, 27440, 32585, 37240, 52136, 65170, 74480, 104272, 130340, 260680, 521360]

約数ペア:

[(1, 521360), (2, 260680), (4, 130340), (5, 104272), (7, 74480), (8, 65170), (10, 52136), (14, 37240), (16, 32585), (19, 27440), (20, 26068), (28, 18620), (35, 14896), (38, 13720), (40, 13034), (49, 10640), (56, 9310), (70, 7448), (76, 6860), (80, 6517), (95, 5488), (98, 5320), (112, 4655), (133, 3920), (140, 3724), (152, 3430), (190, 2744), (196, 2660), (245, 2128), (266, 1960), (280, 1862), (304, 1715), (343, 1520), (380, 1372), (392, 1330), (490, 1064), (532, 980), (560, 931), (665, 784), (686, 760)]