187812820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1$

素因数の和:329

約数の個数: 96

約数和(自身を含む): 441479808

約数和(自身を除く): 253666988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 107, 130, 157, 172, 214, 215, 260, 314, 428, 430, 535, 559, 628, 785, 860, 1070, 1118, 1391, 1570, 2041, 2140, 2236, 2782, 2795, 3140, 4082, 4601, 5564, 5590, 6751, 6955, 8164, 9202, 10205, 11180, 13502, 13910, 16799, 18404, 20410, 23005, 27004, 27820, 33598, 33755, 40820, 46010, 59813, 67196, 67510, 83995, 87763, 92020, 119626, 135020, 167990, 175526, 218387, 239252, 299065, 335980, 351052, 436774, 438815, 598130, 722357, 873548, 877630, 1091935, 1196260, 1444714, 1755260, 2183870, 2889428, 3611785, 4367740, 7223570, 9390641, 14447140, 18781282, 37562564, 46953205, 93906410, 187812820]

約数ペア:

[(1, 187812820), (2, 93906410), (4, 46953205), (5, 37562564), (10, 18781282), (13, 14447140), (20, 9390641), (26, 7223570), (43, 4367740), (52, 3611785), (65, 2889428), (86, 2183870), (107, 1755260), (130, 1444714), (157, 1196260), (172, 1091935), (214, 877630), (215, 873548), (260, 722357), (314, 598130), (428, 438815), (430, 436774), (535, 351052), (559, 335980), (628, 299065), (785, 239252), (860, 218387), (1070, 175526), (1118, 167990), (1391, 135020), (1570, 119626), (2041, 92020), (2140, 87763), (2236, 83995), (2782, 67510), (2795, 67196), (3140, 59813), (4082, 46010), (4601, 40820), (5564, 33755), (5590, 33598), (6751, 27820), (6955, 27004), (8164, 23005), (9202, 20410), (10205, 18404), (11180, 16799), (13502, 13910)]