78840125

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1$

素因数の和:303

約数の個数: 64

約数和(自身を含む): 125798400

約数和(自身を除く): 46958275

約数列:

[1, 5, 7, 13, 25, 29, 35, 65, 91, 125, 145, 175, 203, 239, 325, 377, 455, 725, 875, 1015, 1195, 1625, 1673, 1885, 2275, 2639, 3107, 3625, 5075, 5975, 6931, 8365, 9425, 11375, 13195, 15535, 21749, 25375, 29875, 34655, 41825, 47125, 48517, 65975, 77675, 90103, 108745, 173275, 209125, 242585, 329875, 388375, 450515, 543725, 630721, 866375, 1212925, 2252575, 2718625, 3153605, 6064625, 11262875, 15768025, 78840125]

約数ペア:

[(1, 78840125), (5, 15768025), (7, 11262875), (13, 6064625), (25, 3153605), (29, 2718625), (35, 2252575), (65, 1212925), (91, 866375), (125, 630721), (145, 543725), (175, 450515), (203, 388375), (239, 329875), (325, 242585), (377, 209125), (455, 173275), (725, 108745), (875, 90103), (1015, 77675), (1195, 65975), (1625, 48517), (1673, 47125), (1885, 41825), (2275, 34655), (2639, 29875), (3107, 25375), (3625, 21749), (5075, 15535), (5975, 13195), (6931, 11375), (8365, 9425)]