525188840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:651

約数の個数: 128

約数和(自身を含む): 1353024000

約数和(自身を除く): 827835160

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 79, 88, 110, 116, 145, 158, 220, 232, 290, 316, 319, 395, 440, 521, 580, 632, 638, 790, 869, 1042, 1160, 1276, 1580, 1595, 1738, 2084, 2291, 2552, 2605, 3160, 3190, 3476, 4168, 4345, 4582, 5210, 5731, 6380, 6952, 8690, 9164, 10420, 11455, 11462, 12760, 15109, 17380, 18328, 20840, 22910, 22924, 25201, 28655, 30218, 34760, 41159, 45820, 45848, 50402, 57310, 60436, 75545, 82318, 91640, 100804, 114620, 120872, 126005, 151090, 164636, 166199, 201608, 205795, 229240, 252010, 302180, 329272, 332398, 411590, 452749, 504020, 604360, 664796, 823180, 830995, 905498, 1008040, 1193611, 1329592, 1646360, 1661990, 1810996, 2263745, 2387222, 3323980, 3621992, 4527490, 4774444, 5968055, 6647960, 9054980, 9548888, 11936110, 13129721, 18109960, 23872220, 26259442, 47744440, 52518884, 65648605, 105037768, 131297210, 262594420, 525188840]

約数ペア:

[(1, 525188840), (2, 262594420), (4, 131297210), (5, 105037768), (8, 65648605), (10, 52518884), (11, 47744440), (20, 26259442), (22, 23872220), (29, 18109960), (40, 13129721), (44, 11936110), (55, 9548888), (58, 9054980), (79, 6647960), (88, 5968055), (110, 4774444), (116, 4527490), (145, 3621992), (158, 3323980), (220, 2387222), (232, 2263745), (290, 1810996), (316, 1661990), (319, 1646360), (395, 1329592), (440, 1193611), (521, 1008040), (580, 905498), (632, 830995), (638, 823180), (790, 664796), (869, 604360), (1042, 504020), (1160, 452749), (1276, 411590), (1580, 332398), (1595, 329272), (1738, 302180), (2084, 252010), (2291, 229240), (2552, 205795), (2605, 201608), (3160, 166199), (3190, 164636), (3476, 151090), (4168, 126005), (4345, 120872), (4582, 114620), (5210, 100804), (5731, 91640), (6380, 82318), (6952, 75545), (8690, 60436), (9164, 57310), (10420, 50402), (11455, 45848), (11462, 45820), (12760, 41159), (15109, 34760), (17380, 30218), (18328, 28655), (20840, 25201), (22910, 22924)]