399964212

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{547}}^1\times {\mathrm{1069}}^1$

素因数の和:1645

約数の個数: 72

約数和(自身を含む): 1067175200

約数和(自身を除く): 667210988

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 547, 684, 1069, 1094, 1641, 2138, 2188, 3207, 3282, 4276, 4923, 6414, 6564, 9621, 9846, 10393, 12828, 19242, 19692, 20311, 20786, 31179, 38484, 40622, 41572, 60933, 62358, 81244, 93537, 121866, 124716, 182799, 187074, 243732, 365598, 374148, 584743, 731196, 1169486, 1754229, 2338972, 3508458, 5262687, 7016916, 10525374, 11110117, 21050748, 22220234, 33330351, 44440468, 66660702, 99991053, 133321404, 199982106, 399964212]

約数ペア:

[(1, 399964212), (2, 199982106), (3, 133321404), (4, 99991053), (6, 66660702), (9, 44440468), (12, 33330351), (18, 22220234), (19, 21050748), (36, 11110117), (38, 10525374), (57, 7016916), (76, 5262687), (114, 3508458), (171, 2338972), (228, 1754229), (342, 1169486), (547, 731196), (684, 584743), (1069, 374148), (1094, 365598), (1641, 243732), (2138, 187074), (2188, 182799), (3207, 124716), (3282, 121866), (4276, 93537), (4923, 81244), (6414, 62358), (6564, 60933), (9621, 41572), (9846, 40622), (10393, 38484), (12828, 31179), (19242, 20786), (19692, 20311)]