201111520

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{487}}^1$

素因数の和:620

約数の個数: 96

約数和(自身を含む): 498052800

約数和(自身を除く): 296941280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 89, 116, 145, 160, 178, 232, 290, 356, 445, 464, 487, 580, 712, 890, 928, 974, 1160, 1424, 1780, 1948, 2320, 2435, 2581, 2848, 3560, 3896, 4640, 4870, 5162, 7120, 7792, 9740, 10324, 12905, 14123, 14240, 15584, 19480, 20648, 25810, 28246, 38960, 41296, 43343, 51620, 56492, 70615, 77920, 82592, 86686, 103240, 112984, 141230, 173372, 206480, 216715, 225968, 282460, 346744, 412960, 433430, 451936, 564920, 693488, 866860, 1129840, 1256947, 1386976, 1733720, 2259680, 2513894, 3467440, 5027788, 6284735, 6934880, 10055576, 12569470, 20111152, 25138940, 40222304, 50277880, 100555760, 201111520]

約数ペア:

[(1, 201111520), (2, 100555760), (4, 50277880), (5, 40222304), (8, 25138940), (10, 20111152), (16, 12569470), (20, 10055576), (29, 6934880), (32, 6284735), (40, 5027788), (58, 3467440), (80, 2513894), (89, 2259680), (116, 1733720), (145, 1386976), (160, 1256947), (178, 1129840), (232, 866860), (290, 693488), (356, 564920), (445, 451936), (464, 433430), (487, 412960), (580, 346744), (712, 282460), (890, 225968), (928, 216715), (974, 206480), (1160, 173372), (1424, 141230), (1780, 112984), (1948, 103240), (2320, 86686), (2435, 82592), (2581, 77920), (2848, 70615), (3560, 56492), (3896, 51620), (4640, 43343), (4870, 41296), (5162, 38960), (7120, 28246), (7792, 25810), (9740, 20648), (10324, 19480), (12905, 15584), (14123, 14240)]