39143720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:279

約数の個数: 128

約数和(自身を含む): 111974400

約数和(自身を除く): 72830680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 71, 77, 88, 110, 140, 142, 154, 179, 220, 280, 284, 308, 355, 358, 385, 440, 497, 568, 616, 710, 716, 770, 781, 895, 994, 1253, 1420, 1432, 1540, 1562, 1790, 1969, 1988, 2485, 2506, 2840, 3080, 3124, 3580, 3905, 3938, 3976, 4970, 5012, 5467, 6248, 6265, 7160, 7810, 7876, 9845, 9940, 10024, 10934, 12530, 12709, 13783, 15620, 15752, 19690, 19880, 21868, 25060, 25418, 27335, 27566, 31240, 39380, 43736, 50120, 50836, 54670, 55132, 63545, 68915, 78760, 88963, 101672, 109340, 110264, 127090, 137830, 139799, 177926, 218680, 254180, 275660, 279598, 355852, 444815, 508360, 551320, 559196, 698995, 711704, 889630, 978593, 1118392, 1397990, 1779260, 1957186, 2795980, 3558520, 3914372, 4892965, 5591960, 7828744, 9785930, 19571860, 39143720]

約数ペア:

[(1, 39143720), (2, 19571860), (4, 9785930), (5, 7828744), (7, 5591960), (8, 4892965), (10, 3914372), (11, 3558520), (14, 2795980), (20, 1957186), (22, 1779260), (28, 1397990), (35, 1118392), (40, 978593), (44, 889630), (55, 711704), (56, 698995), (70, 559196), (71, 551320), (77, 508360), (88, 444815), (110, 355852), (140, 279598), (142, 275660), (154, 254180), (179, 218680), (220, 177926), (280, 139799), (284, 137830), (308, 127090), (355, 110264), (358, 109340), (385, 101672), (440, 88963), (497, 78760), (568, 68915), (616, 63545), (710, 55132), (716, 54670), (770, 50836), (781, 50120), (895, 43736), (994, 39380), (1253, 31240), (1420, 27566), (1432, 27335), (1540, 25418), (1562, 25060), (1790, 21868), (1969, 19880), (1988, 19690), (2485, 15752), (2506, 15620), (2840, 13783), (3080, 12709), (3124, 12530), (3580, 10934), (3905, 10024), (3938, 9940), (3976, 9845), (4970, 7876), (5012, 7810), (5467, 7160), (6248, 6265)]