64770290540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{739}}^1\times {\mathrm{230647}}^1$

素因数の和:231414

約数の個数: 48

約数和(自身を含む): 143370796800

約数和(自身を除く): 78600506260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 739, 1478, 2956, 3695, 7390, 14041, 14780, 28082, 56164, 70205, 140410, 230647, 280820, 461294, 922588, 1153235, 2306470, 4382293, 4612940, 8764586, 17529172, 21911465, 43822930, 87645860, 170448133, 340896266, 681792532, 852240665, 1704481330, 3238514527, 3408962660, 6477029054, 12954058108, 16192572635, 32385145270, 64770290540]

約数ペア:

[(1, 64770290540), (2, 32385145270), (4, 16192572635), (5, 12954058108), (10, 6477029054), (19, 3408962660), (20, 3238514527), (38, 1704481330), (76, 852240665), (95, 681792532), (190, 340896266), (380, 170448133), (739, 87645860), (1478, 43822930), (2956, 21911465), (3695, 17529172), (7390, 8764586), (14041, 4612940), (14780, 4382293), (28082, 2306470), (56164, 1153235), (70205, 922588), (140410, 461294), (230647, 280820)]