390214240

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{14431}}^1$

素因数の和:14472

約数の個数: 72

約数和(自身を含む): 998319168

約数和(自身を除く): 608104928

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2704, 3380, 5408, 6760, 13520, 14431, 27040, 28862, 57724, 72155, 115448, 144310, 187603, 230896, 288620, 375206, 461792, 577240, 750412, 938015, 1154480, 1500824, 1876030, 2308960, 2438839, 3001648, 3752060, 4877678, 6003296, 7504120, 9755356, 12194195, 15008240, 19510712, 24388390, 30016480, 39021424, 48776780, 78042848, 97553560, 195107120, 390214240]

約数ペア:

[(1, 390214240), (2, 195107120), (4, 97553560), (5, 78042848), (8, 48776780), (10, 39021424), (13, 30016480), (16, 24388390), (20, 19510712), (26, 15008240), (32, 12194195), (40, 9755356), (52, 7504120), (65, 6003296), (80, 4877678), (104, 3752060), (130, 3001648), (160, 2438839), (169, 2308960), (208, 1876030), (260, 1500824), (338, 1154480), (416, 938015), (520, 750412), (676, 577240), (845, 461792), (1040, 375206), (1352, 288620), (1690, 230896), (2080, 187603), (2704, 144310), (3380, 115448), (5408, 72155), (6760, 57724), (13520, 28862), (14431, 27040)]