78150100

素因数分解:

$2^2\times 5^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:458

約数の個数: 108

約数和(自身を含む): 202604220

約数和(自身を除く): 124454120

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 41, 49, 50, 70, 82, 98, 100, 140, 164, 175, 196, 205, 245, 287, 350, 389, 410, 490, 574, 700, 778, 820, 980, 1025, 1148, 1225, 1435, 1556, 1945, 2009, 2050, 2450, 2723, 2870, 3890, 4018, 4100, 4900, 5446, 5740, 7175, 7780, 8036, 9725, 10045, 10892, 13615, 14350, 15949, 19061, 19450, 20090, 27230, 28700, 31898, 38122, 38900, 40180, 50225, 54460, 63796, 68075, 76244, 79745, 95305, 100450, 111643, 136150, 159490, 190610, 200900, 223286, 272300, 318980, 381220, 398725, 446572, 476525, 558215, 781501, 797450, 953050, 1116430, 1563002, 1594900, 1906100, 2232860, 2791075, 3126004, 3907505, 5582150, 7815010, 11164300, 15630020, 19537525, 39075050, 78150100]

約数ペア:

[(1, 78150100), (2, 39075050), (4, 19537525), (5, 15630020), (7, 11164300), (10, 7815010), (14, 5582150), (20, 3907505), (25, 3126004), (28, 2791075), (35, 2232860), (41, 1906100), (49, 1594900), (50, 1563002), (70, 1116430), (82, 953050), (98, 797450), (100, 781501), (140, 558215), (164, 476525), (175, 446572), (196, 398725), (205, 381220), (245, 318980), (287, 272300), (350, 223286), (389, 200900), (410, 190610), (490, 159490), (574, 136150), (700, 111643), (778, 100450), (820, 95305), (980, 79745), (1025, 76244), (1148, 68075), (1225, 63796), (1435, 54460), (1556, 50225), (1945, 40180), (2009, 38900), (2050, 38122), (2450, 31898), (2723, 28700), (2870, 27230), (3890, 20090), (4018, 19450), (4100, 19061), (4900, 15949), (5446, 14350), (5740, 13615), (7175, 10892), (7780, 10045), (8036, 9725)]