640302852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{659}}^1$

素因数の和:985

約数の個数: 96

約数和(自身を含む): 1756339200

約数和(自身を除く): 1116036348

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 269, 301, 516, 538, 602, 659, 807, 903, 1076, 1204, 1318, 1614, 1806, 1883, 1977, 2636, 3228, 3612, 3766, 3954, 4613, 5649, 7532, 7908, 9226, 11298, 11567, 13839, 18452, 22596, 23134, 27678, 28337, 34701, 46268, 55356, 56674, 69402, 80969, 85011, 113348, 138804, 161938, 170022, 177271, 198359, 242907, 323876, 340044, 354542, 396718, 485814, 531813, 595077, 709084, 793436, 971628, 1063626, 1190154, 1240897, 2127252, 2380308, 2481794, 3722691, 4963588, 7445382, 7622653, 14890764, 15245306, 22867959, 30490612, 45735918, 53358571, 91471836, 106717142, 160075713, 213434284, 320151426, 640302852]

約数ペア:

[(1, 640302852), (2, 320151426), (3, 213434284), (4, 160075713), (6, 106717142), (7, 91471836), (12, 53358571), (14, 45735918), (21, 30490612), (28, 22867959), (42, 15245306), (43, 14890764), (84, 7622653), (86, 7445382), (129, 4963588), (172, 3722691), (258, 2481794), (269, 2380308), (301, 2127252), (516, 1240897), (538, 1190154), (602, 1063626), (659, 971628), (807, 793436), (903, 709084), (1076, 595077), (1204, 531813), (1318, 485814), (1614, 396718), (1806, 354542), (1883, 340044), (1977, 323876), (2636, 242907), (3228, 198359), (3612, 177271), (3766, 170022), (3954, 161938), (4613, 138804), (5649, 113348), (7532, 85011), (7908, 80969), (9226, 69402), (11298, 56674), (11567, 55356), (13839, 46268), (18452, 34701), (22596, 28337), (23134, 27678)]