649502680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{16189}}^1$

素因数の和:16276

約数の個数: 64

約数和(自身を含む): 1573668000

約数和(自身を除く): 924165320

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 59, 68, 85, 118, 136, 170, 236, 295, 340, 472, 590, 680, 1003, 1180, 2006, 2360, 4012, 5015, 8024, 10030, 16189, 20060, 32378, 40120, 64756, 80945, 129512, 161890, 275213, 323780, 550426, 647560, 955151, 1100852, 1376065, 1910302, 2201704, 2752130, 3820604, 4775755, 5504260, 7641208, 9551510, 11008520, 16237567, 19103020, 32475134, 38206040, 64950268, 81187835, 129900536, 162375670, 324751340, 649502680]

約数ペア:

[(1, 649502680), (2, 324751340), (4, 162375670), (5, 129900536), (8, 81187835), (10, 64950268), (17, 38206040), (20, 32475134), (34, 19103020), (40, 16237567), (59, 11008520), (68, 9551510), (85, 7641208), (118, 5504260), (136, 4775755), (170, 3820604), (236, 2752130), (295, 2201704), (340, 1910302), (472, 1376065), (590, 1100852), (680, 955151), (1003, 647560), (1180, 550426), (2006, 323780), (2360, 275213), (4012, 161890), (5015, 129512), (8024, 80945), (10030, 64756), (16189, 40120), (20060, 32378)]