28775600

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1$

素因数の和:307

約数の個数: 120

約数和(自身を含む): 81185280

約数和(自身を除く): 52409680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 43, 50, 56, 70, 80, 86, 100, 112, 140, 172, 175, 200, 215, 239, 280, 301, 344, 350, 400, 430, 478, 560, 602, 688, 700, 860, 956, 1075, 1195, 1204, 1400, 1505, 1673, 1720, 1912, 2150, 2390, 2408, 2800, 3010, 3346, 3440, 3824, 4300, 4780, 4816, 5975, 6020, 6692, 7525, 8365, 8600, 9560, 10277, 11950, 12040, 13384, 15050, 16730, 17200, 19120, 20554, 23900, 24080, 26768, 30100, 33460, 41108, 41825, 47800, 51385, 60200, 66920, 71939, 82216, 83650, 95600, 102770, 120400, 133840, 143878, 164432, 167300, 205540, 256925, 287756, 334600, 359695, 411080, 513850, 575512, 669200, 719390, 822160, 1027700, 1151024, 1438780, 1798475, 2055400, 2877560, 3596950, 4110800, 5755120, 7193900, 14387800, 28775600]

約数ペア:

[(1, 28775600), (2, 14387800), (4, 7193900), (5, 5755120), (7, 4110800), (8, 3596950), (10, 2877560), (14, 2055400), (16, 1798475), (20, 1438780), (25, 1151024), (28, 1027700), (35, 822160), (40, 719390), (43, 669200), (50, 575512), (56, 513850), (70, 411080), (80, 359695), (86, 334600), (100, 287756), (112, 256925), (140, 205540), (172, 167300), (175, 164432), (200, 143878), (215, 133840), (239, 120400), (280, 102770), (301, 95600), (344, 83650), (350, 82216), (400, 71939), (430, 66920), (478, 60200), (560, 51385), (602, 47800), (688, 41825), (700, 41108), (860, 33460), (956, 30100), (1075, 26768), (1195, 24080), (1204, 23900), (1400, 20554), (1505, 19120), (1673, 17200), (1720, 16730), (1912, 15050), (2150, 13384), (2390, 12040), (2408, 11950), (2800, 10277), (3010, 9560), (3346, 8600), (3440, 8365), (3824, 7525), (4300, 6692), (4780, 6020), (4816, 5975)]