217889700

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3347}}^1$

素因数の和:3402

約数の個数: 144

約数和(自身を含む): 743952384

約数和(自身を除く): 526062684

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 50, 60, 62, 70, 75, 84, 93, 100, 105, 124, 140, 150, 155, 175, 186, 210, 217, 300, 310, 350, 372, 420, 434, 465, 525, 620, 651, 700, 775, 868, 930, 1050, 1085, 1302, 1550, 1860, 2100, 2170, 2325, 2604, 3100, 3255, 3347, 4340, 4650, 5425, 6510, 6694, 9300, 10041, 10850, 13020, 13388, 16275, 16735, 20082, 21700, 23429, 32550, 33470, 40164, 46858, 50205, 65100, 66940, 70287, 83675, 93716, 100410, 103757, 117145, 140574, 167350, 200820, 207514, 234290, 251025, 281148, 311271, 334700, 351435, 415028, 468580, 502050, 518785, 585725, 622542, 702870, 726299, 1004100, 1037570, 1171450, 1245084, 1405740, 1452598, 1556355, 1757175, 2075140, 2178897, 2342900, 2593925, 2905196, 3112710, 3514350, 3631495, 4357794, 5187850, 6225420, 7028700, 7262990, 7781775, 8715588, 10375700, 10894485, 14525980, 15563550, 18157475, 21788970, 31127100, 36314950, 43577940, 54472425, 72629900, 108944850, 217889700]

約数ペア:

[(1, 217889700), (2, 108944850), (3, 72629900), (4, 54472425), (5, 43577940), (6, 36314950), (7, 31127100), (10, 21788970), (12, 18157475), (14, 15563550), (15, 14525980), (20, 10894485), (21, 10375700), (25, 8715588), (28, 7781775), (30, 7262990), (31, 7028700), (35, 6225420), (42, 5187850), (50, 4357794), (60, 3631495), (62, 3514350), (70, 3112710), (75, 2905196), (84, 2593925), (93, 2342900), (100, 2178897), (105, 2075140), (124, 1757175), (140, 1556355), (150, 1452598), (155, 1405740), (175, 1245084), (186, 1171450), (210, 1037570), (217, 1004100), (300, 726299), (310, 702870), (350, 622542), (372, 585725), (420, 518785), (434, 502050), (465, 468580), (525, 415028), (620, 351435), (651, 334700), (700, 311271), (775, 281148), (868, 251025), (930, 234290), (1050, 207514), (1085, 200820), (1302, 167350), (1550, 140574), (1860, 117145), (2100, 103757), (2170, 100410), (2325, 93716), (2604, 83675), (3100, 70287), (3255, 66940), (3347, 65100), (4340, 50205), (4650, 46858), (5425, 40164), (6510, 33470), (6694, 32550), (9300, 23429), (10041, 21700), (10850, 20082), (13020, 16735), (13388, 16275)]