85464820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{2357}}^1$

素因数の和:2417

約数の個数: 72

約数和(自身を含む): 214511976

約数和(自身を除く): 129047156

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1813, 2357, 2590, 3626, 4714, 5180, 7252, 9065, 9428, 11785, 16499, 18130, 23570, 32998, 36260, 47140, 65996, 82495, 87209, 115493, 164990, 174418, 230986, 329980, 348836, 436045, 461972, 577465, 610463, 872090, 1154930, 1220926, 1744180, 2309860, 2441852, 3052315, 4273241, 6104630, 8546482, 12209260, 17092964, 21366205, 42732410, 85464820]

約数ペア:

[(1, 85464820), (2, 42732410), (4, 21366205), (5, 17092964), (7, 12209260), (10, 8546482), (14, 6104630), (20, 4273241), (28, 3052315), (35, 2441852), (37, 2309860), (49, 1744180), (70, 1220926), (74, 1154930), (98, 872090), (140, 610463), (148, 577465), (185, 461972), (196, 436045), (245, 348836), (259, 329980), (370, 230986), (490, 174418), (518, 164990), (740, 115493), (980, 87209), (1036, 82495), (1295, 65996), (1813, 47140), (2357, 36260), (2590, 32998), (3626, 23570), (4714, 18130), (5180, 16499), (7252, 11785), (9065, 9428)]