304490390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43313}}^1$

素因数の和:43376

約数の個数: 32

約数和(自身を含む): 592535520

約数和(自身を除く): 288045130

約数列:

[1, 2, 5, 10, 19, 37, 38, 74, 95, 185, 190, 370, 703, 1406, 3515, 7030, 43313, 86626, 216565, 433130, 822947, 1602581, 1645894, 3205162, 4114735, 8012905, 8229470, 16025810, 30449039, 60898078, 152245195, 304490390]

約数ペア:

[(1, 304490390), (2, 152245195), (5, 60898078), (10, 30449039), (19, 16025810), (37, 8229470), (38, 8012905), (74, 4114735), (95, 3205162), (185, 1645894), (190, 1602581), (370, 822947), (703, 433130), (1406, 216565), (3515, 86626), (7030, 43313)]