217742280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:1996

約数の個数: 192

約数和(自身を含む): 800280000

約数和(自身を除く): 582537720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 49, 56, 57, 60, 70, 76, 84, 95, 98, 105, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 245, 266, 280, 285, 294, 380, 392, 399, 420, 456, 490, 532, 570, 588, 665, 735, 760, 798, 840, 931, 980, 1064, 1140, 1176, 1330, 1470, 1596, 1862, 1949, 1960, 1995, 2280, 2660, 2793, 2940, 3192, 3724, 3898, 3990, 4655, 5320, 5586, 5847, 5880, 7448, 7796, 7980, 9310, 9745, 11172, 11694, 13643, 13965, 15592, 15960, 18620, 19490, 22344, 23388, 27286, 27930, 29235, 37031, 37240, 38980, 40929, 46776, 54572, 55860, 58470, 68215, 74062, 77960, 81858, 95501, 109144, 111093, 111720, 116940, 136430, 148124, 163716, 185155, 191002, 204645, 222186, 233880, 259217, 272860, 286503, 296248, 327432, 370310, 382004, 409290, 444372, 477505, 518434, 545720, 555465, 573006, 740620, 764008, 777651, 818580, 888744, 955010, 1036868, 1110930, 1146012, 1296085, 1432515, 1481240, 1555302, 1637160, 1814519, 1910020, 2073736, 2221860, 2292024, 2592170, 2865030, 3110604, 3629038, 3820040, 3888255, 4443720, 5184340, 5443557, 5730060, 6221208, 7258076, 7776510, 9072595, 10368680, 10887114, 11460120, 14516152, 15553020, 18145190, 21774228, 27217785, 31106040, 36290380, 43548456, 54435570, 72580760, 108871140, 217742280]

約数ペア:

[(1, 217742280), (2, 108871140), (3, 72580760), (4, 54435570), (5, 43548456), (6, 36290380), (7, 31106040), (8, 27217785), (10, 21774228), (12, 18145190), (14, 15553020), (15, 14516152), (19, 11460120), (20, 10887114), (21, 10368680), (24, 9072595), (28, 7776510), (30, 7258076), (35, 6221208), (38, 5730060), (40, 5443557), (42, 5184340), (49, 4443720), (56, 3888255), (57, 3820040), (60, 3629038), (70, 3110604), (76, 2865030), (84, 2592170), (95, 2292024), (98, 2221860), (105, 2073736), (114, 1910020), (120, 1814519), (133, 1637160), (140, 1555302), (147, 1481240), (152, 1432515), (168, 1296085), (190, 1146012), (196, 1110930), (210, 1036868), (228, 955010), (245, 888744), (266, 818580), (280, 777651), (285, 764008), (294, 740620), (380, 573006), (392, 555465), (399, 545720), (420, 518434), (456, 477505), (490, 444372), (532, 409290), (570, 382004), (588, 370310), (665, 327432), (735, 296248), (760, 286503), (798, 272860), (840, 259217), (931, 233880), (980, 222186), (1064, 204645), (1140, 191002), (1176, 185155), (1330, 163716), (1470, 148124), (1596, 136430), (1862, 116940), (1949, 111720), (1960, 111093), (1995, 109144), (2280, 95501), (2660, 81858), (2793, 77960), (2940, 74062), (3192, 68215), (3724, 58470), (3898, 55860), (3990, 54572), (4655, 46776), (5320, 40929), (5586, 38980), (5847, 37240), (5880, 37031), (7448, 29235), (7796, 27930), (7980, 27286), (9310, 23388), (9745, 22344), (11172, 19490), (11694, 18620), (13643, 15960), (13965, 15592)]