2891250

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{257}}^1$

素因数の和:285

約数の個数: 60

約数和(自身を含む): 7858422

約数和(自身を除く): 4967172

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 257, 375, 450, 514, 625, 750, 771, 1125, 1250, 1285, 1542, 1875, 2250, 2313, 2570, 3750, 3855, 4626, 5625, 6425, 7710, 11250, 11565, 12850, 19275, 23130, 32125, 38550, 57825, 64250, 96375, 115650, 160625, 192750, 289125, 321250, 481875, 578250, 963750, 1445625, 2891250]

約数ペア:

[(1, 2891250), (2, 1445625), (3, 963750), (5, 578250), (6, 481875), (9, 321250), (10, 289125), (15, 192750), (18, 160625), (25, 115650), (30, 96375), (45, 64250), (50, 57825), (75, 38550), (90, 32125), (125, 23130), (150, 19275), (225, 12850), (250, 11565), (257, 11250), (375, 7710), (450, 6425), (514, 5625), (625, 4626), (750, 3855), (771, 3750), (1125, 2570), (1250, 2313), (1285, 2250), (1542, 1875)]