399833784

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1$

素因数の和:370

約数の個数: 192

約数和(自身を含む): 1293527040

約数和(自身を除く): 893693256

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 31, 36, 42, 56, 62, 63, 72, 84, 93, 124, 126, 157, 163, 168, 186, 217, 248, 252, 279, 314, 326, 372, 434, 471, 489, 504, 558, 628, 651, 652, 744, 868, 942, 978, 1099, 1116, 1141, 1256, 1302, 1304, 1413, 1467, 1736, 1884, 1953, 1956, 2198, 2232, 2282, 2604, 2826, 2934, 3297, 3423, 3768, 3906, 3912, 4396, 4564, 4867, 5053, 5208, 5652, 5868, 6594, 6846, 7812, 8792, 9128, 9734, 9891, 10106, 10269, 11304, 11736, 13188, 13692, 14601, 15159, 15624, 19468, 19782, 20212, 20538, 25591, 26376, 27384, 29202, 30318, 34069, 35371, 38936, 39564, 40424, 41076, 43803, 45477, 51182, 58404, 60636, 68138, 70742, 76773, 79128, 82152, 87606, 90954, 102207, 102364, 106113, 116808, 121272, 136276, 141484, 153546, 175212, 179137, 181908, 204414, 204728, 212226, 230319, 272552, 282968, 306621, 307092, 318339, 350424, 358274, 363816, 408828, 424452, 460638, 537411, 613242, 614184, 636678, 716548, 793321, 817656, 848904, 921276, 1074822, 1226484, 1273356, 1433096, 1586642, 1612233, 1842552, 2149644, 2379963, 2452968, 2546712, 3173284, 3224466, 4299288, 4759926, 5553247, 6346568, 6448932, 7139889, 9519852, 11106494, 12897864, 14279778, 16659741, 19039704, 22212988, 28559556, 33319482, 44425976, 49979223, 57119112, 66638964, 99958446, 133277928, 199916892, 399833784]

約数ペア:

[(1, 399833784), (2, 199916892), (3, 133277928), (4, 99958446), (6, 66638964), (7, 57119112), (8, 49979223), (9, 44425976), (12, 33319482), (14, 28559556), (18, 22212988), (21, 19039704), (24, 16659741), (28, 14279778), (31, 12897864), (36, 11106494), (42, 9519852), (56, 7139889), (62, 6448932), (63, 6346568), (72, 5553247), (84, 4759926), (93, 4299288), (124, 3224466), (126, 3173284), (157, 2546712), (163, 2452968), (168, 2379963), (186, 2149644), (217, 1842552), (248, 1612233), (252, 1586642), (279, 1433096), (314, 1273356), (326, 1226484), (372, 1074822), (434, 921276), (471, 848904), (489, 817656), (504, 793321), (558, 716548), (628, 636678), (651, 614184), (652, 613242), (744, 537411), (868, 460638), (942, 424452), (978, 408828), (1099, 363816), (1116, 358274), (1141, 350424), (1256, 318339), (1302, 307092), (1304, 306621), (1413, 282968), (1467, 272552), (1736, 230319), (1884, 212226), (1953, 204728), (1956, 204414), (2198, 181908), (2232, 179137), (2282, 175212), (2604, 153546), (2826, 141484), (2934, 136276), (3297, 121272), (3423, 116808), (3768, 106113), (3906, 102364), (3912, 102207), (4396, 90954), (4564, 87606), (4867, 82152), (5053, 79128), (5208, 76773), (5652, 70742), (5868, 68138), (6594, 60636), (6846, 58404), (7812, 51182), (8792, 45477), (9128, 43803), (9734, 41076), (9891, 40424), (10106, 39564), (10269, 38936), (11304, 35371), (11736, 34069), (13188, 30318), (13692, 29202), (14601, 27384), (15159, 26376), (15624, 25591), (19468, 20538), (19782, 20212)]