8220804760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{347}}^1\times {\mathrm{401}}^1$

素因数の和:977

約数の個数: 128

約数和(自身を含む): 21353725440

約数和(自身を除く): 13132920680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 211, 280, 347, 401, 422, 694, 802, 844, 1055, 1388, 1477, 1604, 1688, 1735, 2005, 2110, 2429, 2776, 2807, 2954, 3208, 3470, 4010, 4220, 4858, 5614, 5908, 6940, 7385, 8020, 8440, 9716, 11228, 11816, 12145, 13880, 14035, 14770, 16040, 19432, 22456, 24290, 28070, 29540, 48580, 56140, 59080, 73217, 84611, 97160, 112280, 139147, 146434, 169222, 278294, 292868, 338444, 366085, 423055, 512519, 556588, 585736, 592277, 676888, 695735, 732170, 846110, 974029, 1025038, 1113176, 1184554, 1391470, 1464340, 1692220, 1948058, 2050076, 2369108, 2562595, 2782940, 2928680, 2961385, 3384440, 3896116, 4100152, 4738216, 4870145, 5125190, 5565880, 5922770, 7792232, 9740290, 10250380, 11845540, 19480580, 20500760, 23691080, 29360017, 38961160, 58720034, 117440068, 146800085, 205520119, 234880136, 293600170, 411040238, 587200340, 822080476, 1027600595, 1174400680, 1644160952, 2055201190, 4110402380, 8220804760]

約数ペア:

[(1, 8220804760), (2, 4110402380), (4, 2055201190), (5, 1644160952), (7, 1174400680), (8, 1027600595), (10, 822080476), (14, 587200340), (20, 411040238), (28, 293600170), (35, 234880136), (40, 205520119), (56, 146800085), (70, 117440068), (140, 58720034), (211, 38961160), (280, 29360017), (347, 23691080), (401, 20500760), (422, 19480580), (694, 11845540), (802, 10250380), (844, 9740290), (1055, 7792232), (1388, 5922770), (1477, 5565880), (1604, 5125190), (1688, 4870145), (1735, 4738216), (2005, 4100152), (2110, 3896116), (2429, 3384440), (2776, 2961385), (2807, 2928680), (2954, 2782940), (3208, 2562595), (3470, 2369108), (4010, 2050076), (4220, 1948058), (4858, 1692220), (5614, 1464340), (5908, 1391470), (6940, 1184554), (7385, 1113176), (8020, 1025038), (8440, 974029), (9716, 846110), (11228, 732170), (11816, 695735), (12145, 676888), (13880, 592277), (14035, 585736), (14770, 556588), (16040, 512519), (19432, 423055), (22456, 366085), (24290, 338444), (28070, 292868), (29540, 278294), (48580, 169222), (56140, 146434), (59080, 139147), (73217, 112280), (84611, 97160)]