389130700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{29}}^2\times {\mathrm{661}}^1$

素因数の和:740

約数の個数: 108

約数和(自身を含む): 1000981072

約数和(自身を除く): 611850372

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 29, 35, 50, 58, 70, 100, 116, 140, 145, 175, 203, 290, 350, 406, 580, 661, 700, 725, 812, 841, 1015, 1322, 1450, 1682, 2030, 2644, 2900, 3305, 3364, 4060, 4205, 4627, 5075, 5887, 6610, 8410, 9254, 10150, 11774, 13220, 16525, 16820, 18508, 19169, 20300, 21025, 23135, 23548, 29435, 33050, 38338, 42050, 46270, 58870, 66100, 76676, 84100, 92540, 95845, 115675, 117740, 134183, 147175, 191690, 231350, 268366, 294350, 383380, 462700, 479225, 536732, 555901, 588700, 670915, 958450, 1111802, 1341830, 1916900, 2223604, 2683660, 2779505, 3354575, 3891307, 5559010, 6709150, 7782614, 11118020, 13418300, 13897525, 15565228, 19456535, 27795050, 38913070, 55590100, 77826140, 97282675, 194565350, 389130700]

約数ペア:

[(1, 389130700), (2, 194565350), (4, 97282675), (5, 77826140), (7, 55590100), (10, 38913070), (14, 27795050), (20, 19456535), (25, 15565228), (28, 13897525), (29, 13418300), (35, 11118020), (50, 7782614), (58, 6709150), (70, 5559010), (100, 3891307), (116, 3354575), (140, 2779505), (145, 2683660), (175, 2223604), (203, 1916900), (290, 1341830), (350, 1111802), (406, 958450), (580, 670915), (661, 588700), (700, 555901), (725, 536732), (812, 479225), (841, 462700), (1015, 383380), (1322, 294350), (1450, 268366), (1682, 231350), (2030, 191690), (2644, 147175), (2900, 134183), (3305, 117740), (3364, 115675), (4060, 95845), (4205, 92540), (4627, 84100), (5075, 76676), (5887, 66100), (6610, 58870), (8410, 46270), (9254, 42050), (10150, 38338), (11774, 33050), (13220, 29435), (16525, 23548), (16820, 23135), (18508, 21025), (19169, 20300)]