306829160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{401}}^1$

素因数の和:507

約数の個数: 128

約数和(自身を含む): 791907840

約数和(自身を除く): 485078680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 37, 40, 44, 47, 55, 74, 88, 94, 110, 148, 185, 188, 220, 235, 296, 370, 376, 401, 407, 440, 470, 517, 740, 802, 814, 940, 1034, 1480, 1604, 1628, 1739, 1880, 2005, 2035, 2068, 2585, 3208, 3256, 3478, 4010, 4070, 4136, 4411, 5170, 6956, 8020, 8140, 8695, 8822, 10340, 13912, 14837, 16040, 16280, 17390, 17644, 18847, 19129, 20680, 22055, 29674, 34780, 35288, 37694, 38258, 44110, 59348, 69560, 74185, 75388, 76516, 88220, 94235, 95645, 118696, 148370, 150776, 153032, 163207, 176440, 188470, 191290, 207317, 296740, 326414, 376940, 382580, 414634, 593480, 652828, 697339, 753880, 765160, 816035, 829268, 1036585, 1305656, 1394678, 1632070, 1658536, 2073170, 2789356, 3264140, 3486695, 4146340, 5578712, 6528280, 6973390, 7670729, 8292680, 13946780, 15341458, 27893560, 30682916, 38353645, 61365832, 76707290, 153414580, 306829160]

約数ペア:

[(1, 306829160), (2, 153414580), (4, 76707290), (5, 61365832), (8, 38353645), (10, 30682916), (11, 27893560), (20, 15341458), (22, 13946780), (37, 8292680), (40, 7670729), (44, 6973390), (47, 6528280), (55, 5578712), (74, 4146340), (88, 3486695), (94, 3264140), (110, 2789356), (148, 2073170), (185, 1658536), (188, 1632070), (220, 1394678), (235, 1305656), (296, 1036585), (370, 829268), (376, 816035), (401, 765160), (407, 753880), (440, 697339), (470, 652828), (517, 593480), (740, 414634), (802, 382580), (814, 376940), (940, 326414), (1034, 296740), (1480, 207317), (1604, 191290), (1628, 188470), (1739, 176440), (1880, 163207), (2005, 153032), (2035, 150776), (2068, 148370), (2585, 118696), (3208, 95645), (3256, 94235), (3478, 88220), (4010, 76516), (4070, 75388), (4136, 74185), (4411, 69560), (5170, 59348), (6956, 44110), (8020, 38258), (8140, 37694), (8695, 35288), (8822, 34780), (10340, 29674), (13912, 22055), (14837, 20680), (16040, 19129), (16280, 18847), (17390, 17644)]