202143920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^2$

素因数の和:231

約数の個数: 120

約数和(自身を含む): 536416560

約数和(自身を除く): 334272640

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 40, 44, 55, 58, 80, 88, 89, 110, 116, 145, 176, 178, 220, 232, 290, 319, 356, 440, 445, 464, 580, 638, 712, 880, 890, 979, 1160, 1276, 1424, 1595, 1780, 1958, 2320, 2552, 2581, 3190, 3560, 3916, 4895, 5104, 5162, 6380, 7120, 7832, 7921, 9790, 10324, 12760, 12905, 15664, 15842, 19580, 20648, 25520, 25810, 28391, 31684, 39160, 39605, 41296, 51620, 56782, 63368, 78320, 79210, 87131, 103240, 113564, 126736, 141955, 158420, 174262, 206480, 227128, 229709, 283910, 316840, 348524, 435655, 454256, 459418, 567820, 633680, 697048, 871310, 918836, 1135640, 1148545, 1394096, 1742620, 1837672, 2271280, 2297090, 2526799, 3485240, 3675344, 4594180, 5053598, 6970480, 9188360, 10107196, 12633995, 18376720, 20214392, 25267990, 40428784, 50535980, 101071960, 202143920]

約数ペア:

[(1, 202143920), (2, 101071960), (4, 50535980), (5, 40428784), (8, 25267990), (10, 20214392), (11, 18376720), (16, 12633995), (20, 10107196), (22, 9188360), (29, 6970480), (40, 5053598), (44, 4594180), (55, 3675344), (58, 3485240), (80, 2526799), (88, 2297090), (89, 2271280), (110, 1837672), (116, 1742620), (145, 1394096), (176, 1148545), (178, 1135640), (220, 918836), (232, 871310), (290, 697048), (319, 633680), (356, 567820), (440, 459418), (445, 454256), (464, 435655), (580, 348524), (638, 316840), (712, 283910), (880, 229709), (890, 227128), (979, 206480), (1160, 174262), (1276, 158420), (1424, 141955), (1595, 126736), (1780, 113564), (1958, 103240), (2320, 87131), (2552, 79210), (2581, 78320), (3190, 63368), (3560, 56782), (3916, 51620), (4895, 41296), (5104, 39605), (5162, 39160), (6380, 31684), (7120, 28391), (7832, 25810), (7921, 25520), (9790, 20648), (10324, 19580), (12760, 15842), (12905, 15664)]