201438545

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 315187200

約数和(自身を除く): 113748655

約数列:

[1, 5, 7, 11, 35, 37, 55, 77, 79, 179, 185, 259, 385, 395, 407, 553, 869, 895, 1253, 1295, 1969, 2035, 2765, 2849, 2923, 4345, 6083, 6265, 6623, 9845, 13783, 14141, 14245, 14615, 20461, 30415, 32153, 33115, 46361, 68915, 70705, 72853, 98987, 102305, 155551, 160765, 225071, 231805, 364265, 494935, 509971, 523217, 777755, 1088857, 1125355, 2549855, 2616085, 3662519, 5444285, 5755387, 18312595, 28776935, 40287709, 201438545]

約数ペア:

[(1, 201438545), (5, 40287709), (7, 28776935), (11, 18312595), (35, 5755387), (37, 5444285), (55, 3662519), (77, 2616085), (79, 2549855), (179, 1125355), (185, 1088857), (259, 777755), (385, 523217), (395, 509971), (407, 494935), (553, 364265), (869, 231805), (895, 225071), (1253, 160765), (1295, 155551), (1969, 102305), (2035, 98987), (2765, 72853), (2849, 70705), (2923, 68915), (4345, 46361), (6083, 33115), (6265, 32153), (6623, 30415), (9845, 20461), (13783, 14615), (14141, 14245)]