71969137880

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1\times {\mathrm{74021}}^1$

素因数の和:74364

約数の個数: 64

約数和(自身を含む): 164151187200

約数和(自身を除く): 92182049320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 223, 436, 446, 545, 872, 892, 1090, 1115, 1784, 2180, 2230, 4360, 4460, 8920, 24307, 48614, 74021, 97228, 121535, 148042, 194456, 243070, 296084, 370105, 486140, 592168, 740210, 972280, 1480420, 2960840, 8068289, 16136578, 16506683, 32273156, 33013366, 40341445, 64546312, 66026732, 80682890, 82533415, 132053464, 161365780, 165066830, 322731560, 330133660, 660267320, 1799228447, 3598456894, 7196913788, 8996142235, 14393827576, 17992284470, 35984568940, 71969137880]

約数ペア:

[(1, 71969137880), (2, 35984568940), (4, 17992284470), (5, 14393827576), (8, 8996142235), (10, 7196913788), (20, 3598456894), (40, 1799228447), (109, 660267320), (218, 330133660), (223, 322731560), (436, 165066830), (446, 161365780), (545, 132053464), (872, 82533415), (892, 80682890), (1090, 66026732), (1115, 64546312), (1784, 40341445), (2180, 33013366), (2230, 32273156), (4360, 16506683), (4460, 16136578), (8920, 8068289), (24307, 2960840), (48614, 1480420), (74021, 972280), (97228, 740210), (121535, 592168), (148042, 486140), (194456, 370105), (243070, 296084)]