28308100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{317}}^1$

素因数の和:397

約数の個数: 72

約数和(自身を含む): 66245760

約数和(自身を除く): 37937660

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 47, 50, 76, 94, 95, 100, 188, 190, 235, 317, 380, 470, 475, 634, 893, 940, 950, 1175, 1268, 1585, 1786, 1900, 2350, 3170, 3572, 4465, 4700, 6023, 6340, 7925, 8930, 12046, 14899, 15850, 17860, 22325, 24092, 29798, 30115, 31700, 44650, 59596, 60230, 74495, 89300, 120460, 148990, 150575, 283081, 297980, 301150, 372475, 566162, 602300, 744950, 1132324, 1415405, 1489900, 2830810, 5661620, 7077025, 14154050, 28308100]

約数ペア:

[(1, 28308100), (2, 14154050), (4, 7077025), (5, 5661620), (10, 2830810), (19, 1489900), (20, 1415405), (25, 1132324), (38, 744950), (47, 602300), (50, 566162), (76, 372475), (94, 301150), (95, 297980), (100, 283081), (188, 150575), (190, 148990), (235, 120460), (317, 89300), (380, 74495), (470, 60230), (475, 59596), (634, 44650), (893, 31700), (940, 30115), (950, 29798), (1175, 24092), (1268, 22325), (1585, 17860), (1786, 15850), (1900, 14899), (2350, 12046), (3170, 8930), (3572, 7925), (4465, 6340), (4700, 6023)]