198981760

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:270

約数の個数: 128

約数和(自身を含む): 502329600

約数和(自身を除く): 303347840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 71, 80, 116, 128, 142, 145, 151, 160, 232, 284, 290, 302, 320, 355, 464, 568, 580, 604, 640, 710, 755, 928, 1136, 1160, 1208, 1420, 1510, 1856, 2059, 2272, 2320, 2416, 2840, 3020, 3712, 4118, 4379, 4544, 4640, 4832, 5680, 6040, 8236, 8758, 9088, 9280, 9664, 10295, 10721, 11360, 12080, 16472, 17516, 18560, 19328, 20590, 21442, 21895, 22720, 24160, 32944, 35032, 41180, 42884, 43790, 45440, 48320, 53605, 65888, 70064, 82360, 85768, 87580, 96640, 107210, 131776, 140128, 164720, 171536, 175160, 214420, 263552, 280256, 310909, 329440, 343072, 350320, 428840, 560512, 621818, 658880, 686144, 700640, 857680, 1243636, 1317760, 1372288, 1401280, 1554545, 1715360, 2487272, 2802560, 3109090, 3430720, 4974544, 6218180, 6861440, 9949088, 12436360, 19898176, 24872720, 39796352, 49745440, 99490880, 198981760]

約数ペア:

[(1, 198981760), (2, 99490880), (4, 49745440), (5, 39796352), (8, 24872720), (10, 19898176), (16, 12436360), (20, 9949088), (29, 6861440), (32, 6218180), (40, 4974544), (58, 3430720), (64, 3109090), (71, 2802560), (80, 2487272), (116, 1715360), (128, 1554545), (142, 1401280), (145, 1372288), (151, 1317760), (160, 1243636), (232, 857680), (284, 700640), (290, 686144), (302, 658880), (320, 621818), (355, 560512), (464, 428840), (568, 350320), (580, 343072), (604, 329440), (640, 310909), (710, 280256), (755, 263552), (928, 214420), (1136, 175160), (1160, 171536), (1208, 164720), (1420, 140128), (1510, 131776), (1856, 107210), (2059, 96640), (2272, 87580), (2320, 85768), (2416, 82360), (2840, 70064), (3020, 65888), (3712, 53605), (4118, 48320), (4379, 45440), (4544, 43790), (4640, 42884), (4832, 41180), (5680, 35032), (6040, 32944), (8236, 24160), (8758, 22720), (9088, 21895), (9280, 21442), (9664, 20590), (10295, 19328), (10721, 18560), (11360, 17516), (12080, 16472)]