38992240

素因数分解:

$2^4\times 5^1\times 7^5\times {\mathrm{29}}^1$

素因数の和:77

約数の個数: 120

約数和(自身を含む): 109412640

約数和(自身を除く): 70420400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 49, 56, 58, 70, 80, 98, 112, 116, 140, 145, 196, 203, 232, 245, 280, 290, 343, 392, 406, 464, 490, 560, 580, 686, 784, 812, 980, 1015, 1160, 1372, 1421, 1624, 1715, 1960, 2030, 2320, 2401, 2744, 2842, 3248, 3430, 3920, 4060, 4802, 5488, 5684, 6860, 7105, 8120, 9604, 9947, 11368, 12005, 13720, 14210, 16240, 16807, 19208, 19894, 22736, 24010, 27440, 28420, 33614, 38416, 39788, 48020, 49735, 56840, 67228, 69629, 79576, 84035, 96040, 99470, 113680, 134456, 139258, 159152, 168070, 192080, 198940, 268912, 278516, 336140, 348145, 397880, 487403, 557032, 672280, 696290, 795760, 974806, 1114064, 1344560, 1392580, 1949612, 2437015, 2785160, 3899224, 4874030, 5570320, 7798448, 9748060, 19496120, 38992240]

約数ペア:

[(1, 38992240), (2, 19496120), (4, 9748060), (5, 7798448), (7, 5570320), (8, 4874030), (10, 3899224), (14, 2785160), (16, 2437015), (20, 1949612), (28, 1392580), (29, 1344560), (35, 1114064), (40, 974806), (49, 795760), (56, 696290), (58, 672280), (70, 557032), (80, 487403), (98, 397880), (112, 348145), (116, 336140), (140, 278516), (145, 268912), (196, 198940), (203, 192080), (232, 168070), (245, 159152), (280, 139258), (290, 134456), (343, 113680), (392, 99470), (406, 96040), (464, 84035), (490, 79576), (560, 69629), (580, 67228), (686, 56840), (784, 49735), (812, 48020), (980, 39788), (1015, 38416), (1160, 33614), (1372, 28420), (1421, 27440), (1624, 24010), (1715, 22736), (1960, 19894), (2030, 19208), (2320, 16807), (2401, 16240), (2744, 14210), (2842, 13720), (3248, 12005), (3430, 11368), (3920, 9947), (4060, 9604), (4802, 8120), (5488, 7105), (5684, 6860)]