256020644292

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{349}}^1\times {\mathrm{1247591}}^1$

素因数の和:1247961

約数の個数: 72

約数和(自身を含む): 696904891200

約数和(自身を除く): 440884246908

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 349, 588, 698, 1047, 1396, 2094, 2443, 4188, 4886, 7329, 9772, 14658, 17101, 29316, 34202, 51303, 68404, 102606, 205212, 1247591, 2495182, 3742773, 4990364, 7485546, 8733137, 14971092, 17466274, 26199411, 34932548, 52398822, 61131959, 104797644, 122263918, 183395877, 244527836, 366791754, 435409259, 733583508, 870818518, 1306227777, 1741637036, 2612455554, 3047864813, 5224911108, 6095729626, 9143594439, 12191459252, 18287188878, 21335053691, 36574377756, 42670107382, 64005161073, 85340214764, 128010322146, 256020644292]

約数ペア:

[(1, 256020644292), (2, 128010322146), (3, 85340214764), (4, 64005161073), (6, 42670107382), (7, 36574377756), (12, 21335053691), (14, 18287188878), (21, 12191459252), (28, 9143594439), (42, 6095729626), (49, 5224911108), (84, 3047864813), (98, 2612455554), (147, 1741637036), (196, 1306227777), (294, 870818518), (349, 733583508), (588, 435409259), (698, 366791754), (1047, 244527836), (1396, 183395877), (2094, 122263918), (2443, 104797644), (4188, 61131959), (4886, 52398822), (7329, 34932548), (9772, 26199411), (14658, 17466274), (17101, 14971092), (29316, 8733137), (34202, 7485546), (51303, 4990364), (68404, 3742773), (102606, 2495182), (205212, 1247591)]