81829000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1$

素因数の和:248

約数の個数: 128

約数和(自身を含む): 214980480

約数和(自身を除く): 133151480

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 43, 44, 50, 55, 86, 88, 100, 110, 125, 172, 173, 200, 215, 220, 250, 275, 344, 346, 430, 440, 473, 500, 550, 692, 860, 865, 946, 1000, 1075, 1100, 1375, 1384, 1720, 1730, 1892, 1903, 2150, 2200, 2365, 2750, 3460, 3784, 3806, 4300, 4325, 4730, 5375, 5500, 6920, 7439, 7612, 8600, 8650, 9460, 9515, 10750, 11000, 11825, 14878, 15224, 17300, 18920, 19030, 21500, 21625, 23650, 29756, 34600, 37195, 38060, 43000, 43250, 47300, 47575, 59125, 59512, 74390, 76120, 81829, 86500, 94600, 95150, 118250, 148780, 163658, 173000, 185975, 190300, 236500, 237875, 297560, 327316, 371950, 380600, 409145, 473000, 475750, 654632, 743900, 818290, 929875, 951500, 1487800, 1636580, 1859750, 1903000, 2045725, 3273160, 3719500, 4091450, 7439000, 8182900, 10228625, 16365800, 20457250, 40914500, 81829000]

約数ペア:

[(1, 81829000), (2, 40914500), (4, 20457250), (5, 16365800), (8, 10228625), (10, 8182900), (11, 7439000), (20, 4091450), (22, 3719500), (25, 3273160), (40, 2045725), (43, 1903000), (44, 1859750), (50, 1636580), (55, 1487800), (86, 951500), (88, 929875), (100, 818290), (110, 743900), (125, 654632), (172, 475750), (173, 473000), (200, 409145), (215, 380600), (220, 371950), (250, 327316), (275, 297560), (344, 237875), (346, 236500), (430, 190300), (440, 185975), (473, 173000), (500, 163658), (550, 148780), (692, 118250), (860, 95150), (865, 94600), (946, 86500), (1000, 81829), (1075, 76120), (1100, 74390), (1375, 59512), (1384, 59125), (1720, 47575), (1730, 47300), (1892, 43250), (1903, 43000), (2150, 38060), (2200, 37195), (2365, 34600), (2750, 29756), (3460, 23650), (3784, 21625), (3806, 21500), (4300, 19030), (4325, 18920), (4730, 17300), (5375, 15224), (5500, 14878), (6920, 11825), (7439, 11000), (7612, 10750), (8600, 9515), (8650, 9460)]