147878920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{661}}^1$

素因数の和:743

約数の個数: 128

約数和(自身を含む): 411816960

約数和(自身を除く): 263938040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 47, 56, 68, 70, 85, 94, 119, 136, 140, 170, 188, 235, 238, 280, 329, 340, 376, 470, 476, 595, 658, 661, 680, 799, 940, 952, 1190, 1316, 1322, 1598, 1645, 1880, 2380, 2632, 2644, 3196, 3290, 3305, 3995, 4627, 4760, 5288, 5593, 6392, 6580, 6610, 7990, 9254, 11186, 11237, 13160, 13220, 15980, 18508, 22372, 22474, 23135, 26440, 27965, 31067, 31960, 37016, 44744, 44948, 46270, 55930, 56185, 62134, 78659, 89896, 92540, 111860, 112370, 124268, 155335, 157318, 185080, 217469, 223720, 224740, 248536, 310670, 314636, 393295, 434938, 449480, 528139, 621340, 629272, 786590, 869876, 1056278, 1087345, 1242680, 1573180, 1739752, 2112556, 2174690, 2640695, 3146360, 3696973, 4225112, 4349380, 5281390, 7393946, 8698760, 10562780, 14787892, 18484865, 21125560, 29575784, 36969730, 73939460, 147878920]

約数ペア:

[(1, 147878920), (2, 73939460), (4, 36969730), (5, 29575784), (7, 21125560), (8, 18484865), (10, 14787892), (14, 10562780), (17, 8698760), (20, 7393946), (28, 5281390), (34, 4349380), (35, 4225112), (40, 3696973), (47, 3146360), (56, 2640695), (68, 2174690), (70, 2112556), (85, 1739752), (94, 1573180), (119, 1242680), (136, 1087345), (140, 1056278), (170, 869876), (188, 786590), (235, 629272), (238, 621340), (280, 528139), (329, 449480), (340, 434938), (376, 393295), (470, 314636), (476, 310670), (595, 248536), (658, 224740), (661, 223720), (680, 217469), (799, 185080), (940, 157318), (952, 155335), (1190, 124268), (1316, 112370), (1322, 111860), (1598, 92540), (1645, 89896), (1880, 78659), (2380, 62134), (2632, 56185), (2644, 55930), (3196, 46270), (3290, 44948), (3305, 44744), (3995, 37016), (4627, 31960), (4760, 31067), (5288, 27965), (5593, 26440), (6392, 23135), (6580, 22474), (6610, 22372), (7990, 18508), (9254, 15980), (11186, 13220), (11237, 13160)]