70368400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:281

約数の個数: 120

約数和(自身を含む): 182666880

約数和(自身を除く): 112298480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 47, 50, 76, 80, 94, 95, 100, 152, 188, 190, 197, 200, 235, 304, 376, 380, 394, 400, 470, 475, 752, 760, 788, 893, 940, 950, 985, 1175, 1520, 1576, 1786, 1880, 1900, 1970, 2350, 3152, 3572, 3743, 3760, 3800, 3940, 4465, 4700, 4925, 7144, 7486, 7600, 7880, 8930, 9259, 9400, 9850, 14288, 14972, 15760, 17860, 18518, 18715, 18800, 19700, 22325, 29944, 35720, 37036, 37430, 39400, 44650, 46295, 59888, 71440, 74072, 74860, 78800, 89300, 92590, 93575, 148144, 149720, 175921, 178600, 185180, 187150, 231475, 299440, 351842, 357200, 370360, 374300, 462950, 703684, 740720, 748600, 879605, 925900, 1407368, 1497200, 1759210, 1851800, 2814736, 3518420, 3703600, 4398025, 7036840, 8796050, 14073680, 17592100, 35184200, 70368400]

約数ペア:

[(1, 70368400), (2, 35184200), (4, 17592100), (5, 14073680), (8, 8796050), (10, 7036840), (16, 4398025), (19, 3703600), (20, 3518420), (25, 2814736), (38, 1851800), (40, 1759210), (47, 1497200), (50, 1407368), (76, 925900), (80, 879605), (94, 748600), (95, 740720), (100, 703684), (152, 462950), (188, 374300), (190, 370360), (197, 357200), (200, 351842), (235, 299440), (304, 231475), (376, 187150), (380, 185180), (394, 178600), (400, 175921), (470, 149720), (475, 148144), (752, 93575), (760, 92590), (788, 89300), (893, 78800), (940, 74860), (950, 74072), (985, 71440), (1175, 59888), (1520, 46295), (1576, 44650), (1786, 39400), (1880, 37430), (1900, 37036), (1970, 35720), (2350, 29944), (3152, 22325), (3572, 19700), (3743, 18800), (3760, 18715), (3800, 18518), (3940, 17860), (4465, 15760), (4700, 14972), (4925, 14288), (7144, 9850), (7486, 9400), (7600, 9259), (7880, 8930)]