197505760

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{64969}}^1$

素因数の和:65003

約数の個数: 48

約数和(自身を含む): 491173200

約数和(自身を除く): 293667440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 64969, 129938, 259876, 324845, 519752, 649690, 1039504, 1234411, 1299380, 2079008, 2468822, 2598760, 4937644, 5197520, 6172055, 9875288, 10395040, 12344110, 19750576, 24688220, 39501152, 49376440, 98752880, 197505760]

約数ペア:

[(1, 197505760), (2, 98752880), (4, 49376440), (5, 39501152), (8, 24688220), (10, 19750576), (16, 12344110), (19, 10395040), (20, 9875288), (32, 6172055), (38, 5197520), (40, 4937644), (76, 2598760), (80, 2468822), (95, 2079008), (152, 1299380), (160, 1234411), (190, 1039504), (304, 649690), (380, 519752), (608, 324845), (760, 259876), (1520, 129938), (3040, 64969)]