257598400

素因数分解:

$2^6\times 5^2\times {\mathrm{131}}^1\times {\mathrm{1229}}^1$

素因数の和:1382

約数の個数: 84

約数和(自身を含む): 639211320

約数和(自身を除く): 381612920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 131, 160, 200, 262, 320, 400, 524, 655, 800, 1048, 1229, 1310, 1600, 2096, 2458, 2620, 3275, 4192, 4916, 5240, 6145, 6550, 8384, 9832, 10480, 12290, 13100, 19664, 20960, 24580, 26200, 30725, 39328, 41920, 49160, 52400, 61450, 78656, 98320, 104800, 122900, 160999, 196640, 209600, 245800, 321998, 393280, 491600, 643996, 804995, 983200, 1287992, 1609990, 1966400, 2575984, 3219980, 4024975, 5151968, 6439960, 8049950, 10303936, 12879920, 16099900, 25759840, 32199800, 51519680, 64399600, 128799200, 257598400]

約数ペア:

[(1, 257598400), (2, 128799200), (4, 64399600), (5, 51519680), (8, 32199800), (10, 25759840), (16, 16099900), (20, 12879920), (25, 10303936), (32, 8049950), (40, 6439960), (50, 5151968), (64, 4024975), (80, 3219980), (100, 2575984), (131, 1966400), (160, 1609990), (200, 1287992), (262, 983200), (320, 804995), (400, 643996), (524, 491600), (655, 393280), (800, 321998), (1048, 245800), (1229, 209600), (1310, 196640), (1600, 160999), (2096, 122900), (2458, 104800), (2620, 98320), (3275, 78656), (4192, 61450), (4916, 52400), (5240, 49160), (6145, 41920), (6550, 39328), (8384, 30725), (9832, 26200), (10480, 24580), (12290, 20960), (13100, 19664)]