71645840

素因数分解:

$2^4\times 5^1\times 7^4\times {\mathrm{373}}^1$

素因数の和:414

約数の個数: 100

約数和(自身を含む): 194848764

約数和(自身を除く): 123202924

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 343, 373, 392, 490, 560, 686, 746, 784, 980, 1372, 1492, 1715, 1865, 1960, 2401, 2611, 2744, 2984, 3430, 3730, 3920, 4802, 5222, 5488, 5968, 6860, 7460, 9604, 10444, 12005, 13055, 13720, 14920, 18277, 19208, 20888, 24010, 26110, 27440, 29840, 36554, 38416, 41776, 48020, 52220, 73108, 91385, 96040, 104440, 127939, 146216, 182770, 192080, 208880, 255878, 292432, 365540, 511756, 639695, 731080, 895573, 1023512, 1279390, 1462160, 1791146, 2047024, 2558780, 3582292, 4477865, 5117560, 7164584, 8955730, 10235120, 14329168, 17911460, 35822920, 71645840]

約数ペア:

[(1, 71645840), (2, 35822920), (4, 17911460), (5, 14329168), (7, 10235120), (8, 8955730), (10, 7164584), (14, 5117560), (16, 4477865), (20, 3582292), (28, 2558780), (35, 2047024), (40, 1791146), (49, 1462160), (56, 1279390), (70, 1023512), (80, 895573), (98, 731080), (112, 639695), (140, 511756), (196, 365540), (245, 292432), (280, 255878), (343, 208880), (373, 192080), (392, 182770), (490, 146216), (560, 127939), (686, 104440), (746, 96040), (784, 91385), (980, 73108), (1372, 52220), (1492, 48020), (1715, 41776), (1865, 38416), (1960, 36554), (2401, 29840), (2611, 27440), (2744, 26110), (2984, 24010), (3430, 20888), (3730, 19208), (3920, 18277), (4802, 14920), (5222, 13720), (5488, 13055), (5968, 12005), (6860, 10444), (7460, 9604)]