31562860

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 79833600

約数和(自身を除く): 48270740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 43, 49, 70, 86, 98, 107, 140, 172, 196, 214, 215, 245, 301, 343, 428, 430, 490, 535, 602, 686, 749, 860, 980, 1070, 1204, 1372, 1498, 1505, 1715, 2107, 2140, 2996, 3010, 3430, 3745, 4214, 4601, 5243, 6020, 6860, 7490, 8428, 9202, 10486, 10535, 14749, 14980, 18404, 20972, 21070, 23005, 26215, 29498, 32207, 36701, 42140, 46010, 52430, 58996, 64414, 73402, 73745, 92020, 104860, 128828, 146804, 147490, 161035, 183505, 225449, 294980, 322070, 367010, 450898, 644140, 734020, 901796, 1127245, 1578143, 2254490, 3156286, 4508980, 6312572, 7890715, 15781430, 31562860]

約数ペア:

[(1, 31562860), (2, 15781430), (4, 7890715), (5, 6312572), (7, 4508980), (10, 3156286), (14, 2254490), (20, 1578143), (28, 1127245), (35, 901796), (43, 734020), (49, 644140), (70, 450898), (86, 367010), (98, 322070), (107, 294980), (140, 225449), (172, 183505), (196, 161035), (214, 147490), (215, 146804), (245, 128828), (301, 104860), (343, 92020), (428, 73745), (430, 73402), (490, 64414), (535, 58996), (602, 52430), (686, 46010), (749, 42140), (860, 36701), (980, 32207), (1070, 29498), (1204, 26215), (1372, 23005), (1498, 21070), (1505, 20972), (1715, 18404), (2107, 14980), (2140, 14749), (2996, 10535), (3010, 10486), (3430, 9202), (3745, 8428), (4214, 7490), (4601, 6860), (5243, 6020)]