156907000

素因数分解:

$2^3\times 5^3\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:194

約数の個数: 128

約数和(自身を含む): 389188800

約数和(自身を除く): 232281800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 43, 50, 82, 86, 89, 100, 125, 164, 172, 178, 200, 205, 215, 250, 328, 344, 356, 410, 430, 445, 500, 712, 820, 860, 890, 1000, 1025, 1075, 1640, 1720, 1763, 1780, 2050, 2150, 2225, 3526, 3560, 3649, 3827, 4100, 4300, 4450, 5125, 5375, 7052, 7298, 7654, 8200, 8600, 8815, 8900, 10250, 10750, 11125, 14104, 14596, 15308, 17630, 17800, 18245, 19135, 20500, 21500, 22250, 29192, 30616, 35260, 36490, 38270, 41000, 43000, 44075, 44500, 70520, 72980, 76540, 88150, 89000, 91225, 95675, 145960, 153080, 156907, 176300, 182450, 191350, 220375, 313814, 352600, 364900, 382700, 440750, 456125, 478375, 627628, 729800, 765400, 784535, 881500, 912250, 956750, 1255256, 1569070, 1763000, 1824500, 1913500, 3138140, 3649000, 3827000, 3922675, 6276280, 7845350, 15690700, 19613375, 31381400, 39226750, 78453500, 156907000]

約数ペア:

[(1, 156907000), (2, 78453500), (4, 39226750), (5, 31381400), (8, 19613375), (10, 15690700), (20, 7845350), (25, 6276280), (40, 3922675), (41, 3827000), (43, 3649000), (50, 3138140), (82, 1913500), (86, 1824500), (89, 1763000), (100, 1569070), (125, 1255256), (164, 956750), (172, 912250), (178, 881500), (200, 784535), (205, 765400), (215, 729800), (250, 627628), (328, 478375), (344, 456125), (356, 440750), (410, 382700), (430, 364900), (445, 352600), (500, 313814), (712, 220375), (820, 191350), (860, 182450), (890, 176300), (1000, 156907), (1025, 153080), (1075, 145960), (1640, 95675), (1720, 91225), (1763, 89000), (1780, 88150), (2050, 76540), (2150, 72980), (2225, 70520), (3526, 44500), (3560, 44075), (3649, 43000), (3827, 41000), (4100, 38270), (4300, 36490), (4450, 35260), (5125, 30616), (5375, 29192), (7052, 22250), (7298, 21500), (7654, 20500), (8200, 19135), (8600, 18245), (8815, 17800), (8900, 17630), (10250, 15308), (10750, 14596), (11125, 14104)]