31002140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 74511360

約数和(自身を除く): 43509220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 47, 52, 59, 65, 86, 94, 118, 130, 172, 188, 215, 235, 236, 260, 295, 430, 470, 559, 590, 611, 767, 860, 940, 1118, 1180, 1222, 1534, 2021, 2236, 2444, 2537, 2773, 2795, 3055, 3068, 3835, 4042, 5074, 5546, 5590, 6110, 7670, 8084, 10105, 10148, 11092, 11180, 12220, 12685, 13865, 15340, 20210, 25370, 26273, 27730, 32981, 36049, 40420, 50740, 52546, 55460, 65962, 72098, 105092, 119239, 131365, 131924, 144196, 164905, 180245, 238478, 262730, 329810, 360490, 476956, 525460, 596195, 659620, 720980, 1192390, 1550107, 2384780, 3100214, 6200428, 7750535, 15501070, 31002140]

約数ペア:

[(1, 31002140), (2, 15501070), (4, 7750535), (5, 6200428), (10, 3100214), (13, 2384780), (20, 1550107), (26, 1192390), (43, 720980), (47, 659620), (52, 596195), (59, 525460), (65, 476956), (86, 360490), (94, 329810), (118, 262730), (130, 238478), (172, 180245), (188, 164905), (215, 144196), (235, 131924), (236, 131365), (260, 119239), (295, 105092), (430, 72098), (470, 65962), (559, 55460), (590, 52546), (611, 50740), (767, 40420), (860, 36049), (940, 32981), (1118, 27730), (1180, 26273), (1222, 25370), (1534, 20210), (2021, 15340), (2236, 13865), (2444, 12685), (2537, 12220), (2773, 11180), (2795, 11092), (3055, 10148), (3068, 10105), (3835, 8084), (4042, 7670), (5074, 6110), (5546, 5590)]