398377920

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{414977}}^1$

素因数の和:414997

約数の個数: 56

約数和(自身を含む): 1264852944

約数和(自身を除く): 866475024

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 414977, 829954, 1244931, 1659908, 2074885, 2489862, 3319816, 4149770, 4979724, 6224655, 6639632, 8299540, 9959448, 12449310, 13279264, 16599080, 19918896, 24898620, 26558528, 33198160, 39837792, 49797240, 66396320, 79675584, 99594480, 132792640, 199188960, 398377920]

約数ペア:

[(1, 398377920), (2, 199188960), (3, 132792640), (4, 99594480), (5, 79675584), (6, 66396320), (8, 49797240), (10, 39837792), (12, 33198160), (15, 26558528), (16, 24898620), (20, 19918896), (24, 16599080), (30, 13279264), (32, 12449310), (40, 9959448), (48, 8299540), (60, 6639632), (64, 6224655), (80, 4979724), (96, 4149770), (120, 3319816), (160, 2489862), (192, 2074885), (240, 1659908), (320, 1244931), (480, 829954), (960, 414977)]