253231300

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 659957760

約数和(自身を除く): 406726460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 47, 50, 70, 86, 94, 100, 140, 172, 175, 179, 188, 215, 235, 301, 329, 350, 358, 430, 470, 602, 658, 700, 716, 860, 895, 940, 1075, 1175, 1204, 1253, 1316, 1505, 1645, 1790, 2021, 2150, 2350, 2506, 3010, 3290, 3580, 4042, 4300, 4475, 4700, 5012, 6020, 6265, 6580, 7525, 7697, 8084, 8225, 8413, 8950, 10105, 12530, 14147, 15050, 15394, 16450, 16826, 17900, 20210, 25060, 28294, 30100, 30788, 31325, 32900, 33652, 38485, 40420, 42065, 50525, 53879, 56588, 58891, 62650, 70735, 76970, 84130, 101050, 107758, 117782, 125300, 141470, 153940, 168260, 192425, 202100, 210325, 215516, 235564, 269395, 282940, 294455, 353675, 361759, 384850, 420650, 538790, 588910, 707350, 723518, 769700, 841300, 1077580, 1177820, 1346975, 1414700, 1447036, 1472275, 1808795, 2532313, 2693950, 2944550, 3617590, 5064626, 5387900, 5889100, 7235180, 9043975, 10129252, 12661565, 18087950, 25323130, 36175900, 50646260, 63307825, 126615650, 253231300]

約数ペア:

[(1, 253231300), (2, 126615650), (4, 63307825), (5, 50646260), (7, 36175900), (10, 25323130), (14, 18087950), (20, 12661565), (25, 10129252), (28, 9043975), (35, 7235180), (43, 5889100), (47, 5387900), (50, 5064626), (70, 3617590), (86, 2944550), (94, 2693950), (100, 2532313), (140, 1808795), (172, 1472275), (175, 1447036), (179, 1414700), (188, 1346975), (215, 1177820), (235, 1077580), (301, 841300), (329, 769700), (350, 723518), (358, 707350), (430, 588910), (470, 538790), (602, 420650), (658, 384850), (700, 361759), (716, 353675), (860, 294455), (895, 282940), (940, 269395), (1075, 235564), (1175, 215516), (1204, 210325), (1253, 202100), (1316, 192425), (1505, 168260), (1645, 153940), (1790, 141470), (2021, 125300), (2150, 117782), (2350, 107758), (2506, 101050), (3010, 84130), (3290, 76970), (3580, 70735), (4042, 62650), (4300, 58891), (4475, 56588), (4700, 53879), (5012, 50525), (6020, 42065), (6265, 40420), (6580, 38485), (7525, 33652), (7697, 32900), (8084, 31325), (8225, 30788), (8413, 30100), (8950, 28294), (10105, 25060), (12530, 20210), (14147, 17900), (15050, 16826), (15394, 16450)]