85823780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{2749}}^1$

素因数の和:2988

約数の個数: 48

約数和(自身を含む): 206976000

約数和(自身を除く): 121152220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1561, 2230, 2749, 3122, 4460, 5498, 6244, 7805, 10996, 13745, 15610, 19243, 27490, 31220, 38486, 54980, 76972, 96215, 192430, 384860, 613027, 1226054, 2452108, 3065135, 4291189, 6130270, 8582378, 12260540, 17164756, 21455945, 42911890, 85823780]

約数ペア:

[(1, 85823780), (2, 42911890), (4, 21455945), (5, 17164756), (7, 12260540), (10, 8582378), (14, 6130270), (20, 4291189), (28, 3065135), (35, 2452108), (70, 1226054), (140, 613027), (223, 384860), (446, 192430), (892, 96215), (1115, 76972), (1561, 54980), (2230, 38486), (2749, 31220), (3122, 27490), (4460, 19243), (5498, 15610), (6244, 13745), (7805, 10996)]