201918840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:677

約数の個数: 128

約数和(自身を含む): 637632000

約数和(自身を除く): 435713160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 149, 184, 230, 276, 298, 345, 447, 460, 491, 552, 596, 690, 745, 894, 920, 982, 1192, 1380, 1473, 1490, 1788, 1964, 2235, 2455, 2760, 2946, 2980, 3427, 3576, 3928, 4470, 4910, 5892, 5960, 6854, 7365, 8940, 9820, 10281, 11293, 11784, 13708, 14730, 17135, 17880, 19640, 20562, 22586, 27416, 29460, 33879, 34270, 41124, 45172, 51405, 56465, 58920, 67758, 68540, 73159, 82248, 90344, 102810, 112930, 135516, 137080, 146318, 169395, 205620, 219477, 225860, 271032, 292636, 338790, 365795, 411240, 438954, 451720, 585272, 677580, 731590, 877908, 1097385, 1355160, 1463180, 1682657, 1755816, 2194770, 2926360, 3365314, 4389540, 5047971, 6730628, 8413285, 8779080, 10095942, 13461256, 16826570, 20191884, 25239855, 33653140, 40383768, 50479710, 67306280, 100959420, 201918840]

約数ペア:

[(1, 201918840), (2, 100959420), (3, 67306280), (4, 50479710), (5, 40383768), (6, 33653140), (8, 25239855), (10, 20191884), (12, 16826570), (15, 13461256), (20, 10095942), (23, 8779080), (24, 8413285), (30, 6730628), (40, 5047971), (46, 4389540), (60, 3365314), (69, 2926360), (92, 2194770), (115, 1755816), (120, 1682657), (138, 1463180), (149, 1355160), (184, 1097385), (230, 877908), (276, 731590), (298, 677580), (345, 585272), (447, 451720), (460, 438954), (491, 411240), (552, 365795), (596, 338790), (690, 292636), (745, 271032), (894, 225860), (920, 219477), (982, 205620), (1192, 169395), (1380, 146318), (1473, 137080), (1490, 135516), (1788, 112930), (1964, 102810), (2235, 90344), (2455, 82248), (2760, 73159), (2946, 68540), (2980, 67758), (3427, 58920), (3576, 56465), (3928, 51405), (4470, 45172), (4910, 41124), (5892, 34270), (5960, 33879), (6854, 29460), (7365, 27416), (8940, 22586), (9820, 20562), (10281, 19640), (11293, 17880), (11784, 17135), (13708, 14730)]