158706100

素因数分解:

$2^2\times 5^2\times 7^4\times {\mathrm{661}}^1$

素因数の和:703

約数の個数: 90

約数和(自身を含む): 402374854

約数和(自身を除く): 243668754

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 140, 175, 196, 245, 343, 350, 490, 661, 686, 700, 980, 1225, 1322, 1372, 1715, 2401, 2450, 2644, 3305, 3430, 4627, 4802, 4900, 6610, 6860, 8575, 9254, 9604, 12005, 13220, 16525, 17150, 18508, 23135, 24010, 32389, 33050, 34300, 46270, 48020, 60025, 64778, 66100, 92540, 115675, 120050, 129556, 161945, 226723, 231350, 240100, 323890, 453446, 462700, 647780, 809725, 906892, 1133615, 1587061, 1619450, 2267230, 3174122, 3238900, 4534460, 5668075, 6348244, 7935305, 11336150, 15870610, 22672300, 31741220, 39676525, 79353050, 158706100]

約数ペア:

[(1, 158706100), (2, 79353050), (4, 39676525), (5, 31741220), (7, 22672300), (10, 15870610), (14, 11336150), (20, 7935305), (25, 6348244), (28, 5668075), (35, 4534460), (49, 3238900), (50, 3174122), (70, 2267230), (98, 1619450), (100, 1587061), (140, 1133615), (175, 906892), (196, 809725), (245, 647780), (343, 462700), (350, 453446), (490, 323890), (661, 240100), (686, 231350), (700, 226723), (980, 161945), (1225, 129556), (1322, 120050), (1372, 115675), (1715, 92540), (2401, 66100), (2450, 64778), (2644, 60025), (3305, 48020), (3430, 46270), (4627, 34300), (4802, 33050), (4900, 32389), (6610, 24010), (6860, 23135), (8575, 18508), (9254, 17150), (9604, 16525), (12005, 13220)]