388038840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{65993}}^1$

素因数の和:66021

約数の個数: 96

約数和(自身を含む): 1354196880

約数和(自身を除く): 966158040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 5880, 65993, 131986, 197979, 263972, 329965, 395958, 461951, 527944, 659930, 791916, 923902, 989895, 1319860, 1385853, 1583832, 1847804, 1979790, 2309755, 2639720, 2771706, 3233657, 3695608, 3959580, 4619510, 5543412, 6467314, 6929265, 7919160, 9239020, 9700971, 11086824, 12934628, 13858530, 16168285, 18478040, 19401942, 25869256, 27717060, 32336570, 38803884, 48504855, 55434120, 64673140, 77607768, 97009710, 129346280, 194019420, 388038840]

約数ペア:

[(1, 388038840), (2, 194019420), (3, 129346280), (4, 97009710), (5, 77607768), (6, 64673140), (7, 55434120), (8, 48504855), (10, 38803884), (12, 32336570), (14, 27717060), (15, 25869256), (20, 19401942), (21, 18478040), (24, 16168285), (28, 13858530), (30, 12934628), (35, 11086824), (40, 9700971), (42, 9239020), (49, 7919160), (56, 6929265), (60, 6467314), (70, 5543412), (84, 4619510), (98, 3959580), (105, 3695608), (120, 3233657), (140, 2771706), (147, 2639720), (168, 2309755), (196, 1979790), (210, 1847804), (245, 1583832), (280, 1385853), (294, 1319860), (392, 989895), (420, 923902), (490, 791916), (588, 659930), (735, 527944), (840, 461951), (980, 395958), (1176, 329965), (1470, 263972), (1960, 197979), (2940, 131986), (5880, 65993)]