78605380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{4421}}^1$

素因数の和:4564

約数の個数: 48

約数和(自身を含む): 190181376

約数和(自身を除く): 111575996

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 127, 140, 254, 508, 635, 889, 1270, 1778, 2540, 3556, 4421, 4445, 8842, 8890, 17684, 17780, 22105, 30947, 44210, 61894, 88420, 123788, 154735, 309470, 561467, 618940, 1122934, 2245868, 2807335, 3930269, 5614670, 7860538, 11229340, 15721076, 19651345, 39302690, 78605380]

約数ペア:

[(1, 78605380), (2, 39302690), (4, 19651345), (5, 15721076), (7, 11229340), (10, 7860538), (14, 5614670), (20, 3930269), (28, 2807335), (35, 2245868), (70, 1122934), (127, 618940), (140, 561467), (254, 309470), (508, 154735), (635, 123788), (889, 88420), (1270, 61894), (1778, 44210), (2540, 30947), (3556, 22105), (4421, 17780), (4445, 17684), (8842, 8890)]