171367720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{1301}}^1$

素因数の和:1438

約数の個数: 64

約数和(自身を含む): 400755600

約数和(自身を除く): 229387880

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 89, 148, 178, 185, 296, 356, 370, 445, 712, 740, 890, 1301, 1480, 1780, 2602, 3293, 3560, 5204, 6505, 6586, 10408, 13010, 13172, 16465, 26020, 26344, 32930, 48137, 52040, 65860, 96274, 115789, 131720, 192548, 231578, 240685, 385096, 463156, 481370, 578945, 926312, 962740, 1157890, 1925480, 2315780, 4284193, 4631560, 8568386, 17136772, 21420965, 34273544, 42841930, 85683860, 171367720]

約数ペア:

[(1, 171367720), (2, 85683860), (4, 42841930), (5, 34273544), (8, 21420965), (10, 17136772), (20, 8568386), (37, 4631560), (40, 4284193), (74, 2315780), (89, 1925480), (148, 1157890), (178, 962740), (185, 926312), (296, 578945), (356, 481370), (370, 463156), (445, 385096), (712, 240685), (740, 231578), (890, 192548), (1301, 131720), (1480, 115789), (1780, 96274), (2602, 65860), (3293, 52040), (3560, 48137), (5204, 32930), (6505, 26344), (6586, 26020), (10408, 16465), (13010, 13172)]