1938872775

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{163}}^2$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 3712679040

約数和(自身を除く): 1773806265

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 139, 163, 175, 417, 489, 525, 695, 815, 973, 1141, 2085, 2445, 2919, 3423, 3475, 4075, 4865, 5705, 10425, 12225, 14595, 17115, 22657, 24325, 26569, 28525, 67971, 72975, 79707, 85575, 113285, 132845, 158599, 185983, 339855, 398535, 475797, 557949, 566425, 664225, 792995, 929915, 1699275, 1992675, 2378985, 2789745, 3693091, 3964975, 4649575, 11079273, 11894925, 13948725, 18465455, 25851637, 55396365, 77554911, 92327275, 129258185, 276981825, 387774555, 646290925, 1938872775]

約数ペア:

[(1, 1938872775), (3, 646290925), (5, 387774555), (7, 276981825), (15, 129258185), (21, 92327275), (25, 77554911), (35, 55396365), (75, 25851637), (105, 18465455), (139, 13948725), (163, 11894925), (175, 11079273), (417, 4649575), (489, 3964975), (525, 3693091), (695, 2789745), (815, 2378985), (973, 1992675), (1141, 1699275), (2085, 929915), (2445, 792995), (2919, 664225), (3423, 566425), (3475, 557949), (4075, 475797), (4865, 398535), (5705, 339855), (10425, 185983), (12225, 158599), (14595, 132845), (17115, 113285), (22657, 85575), (24325, 79707), (26569, 72975), (28525, 67971)]