217872400

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:353

約数の個数: 120

約数和(自身を含む): 548000640

約数和(自身を除く): 330128240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 53, 80, 86, 100, 106, 172, 200, 212, 215, 239, 265, 344, 400, 424, 430, 478, 530, 688, 848, 860, 956, 1060, 1075, 1195, 1325, 1720, 1912, 2120, 2150, 2279, 2390, 2650, 3440, 3824, 4240, 4300, 4558, 4780, 5300, 5975, 8600, 9116, 9560, 10277, 10600, 11395, 11950, 12667, 17200, 18232, 19120, 20554, 21200, 22790, 23900, 25334, 36464, 41108, 45580, 47800, 50668, 51385, 56975, 63335, 82216, 91160, 95600, 101336, 102770, 113950, 126670, 164432, 182320, 202672, 205540, 227900, 253340, 256925, 316675, 411080, 455800, 506680, 513850, 544681, 633350, 822160, 911600, 1013360, 1027700, 1089362, 1266700, 2055400, 2178724, 2533400, 2723405, 4110800, 4357448, 5066800, 5446810, 8714896, 10893620, 13617025, 21787240, 27234050, 43574480, 54468100, 108936200, 217872400]

約数ペア:

[(1, 217872400), (2, 108936200), (4, 54468100), (5, 43574480), (8, 27234050), (10, 21787240), (16, 13617025), (20, 10893620), (25, 8714896), (40, 5446810), (43, 5066800), (50, 4357448), (53, 4110800), (80, 2723405), (86, 2533400), (100, 2178724), (106, 2055400), (172, 1266700), (200, 1089362), (212, 1027700), (215, 1013360), (239, 911600), (265, 822160), (344, 633350), (400, 544681), (424, 513850), (430, 506680), (478, 455800), (530, 411080), (688, 316675), (848, 256925), (860, 253340), (956, 227900), (1060, 205540), (1075, 202672), (1195, 182320), (1325, 164432), (1720, 126670), (1912, 113950), (2120, 102770), (2150, 101336), (2279, 95600), (2390, 91160), (2650, 82216), (3440, 63335), (3824, 56975), (4240, 51385), (4300, 50668), (4558, 47800), (4780, 45580), (5300, 41108), (5975, 36464), (8600, 25334), (9116, 23900), (9560, 22790), (10277, 21200), (10600, 20554), (11395, 19120), (11950, 18232), (12667, 17200)]