217891170

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{991}}^1$

素因数の和:1360

約数の個数: 96

約数和(自身を含む): 649958400

約数和(自身を除く): 432067230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 349, 630, 698, 991, 1047, 1745, 1982, 2094, 2443, 2973, 3141, 3490, 4886, 4955, 5235, 5946, 6282, 6937, 7329, 8919, 9910, 10470, 12215, 13874, 14658, 14865, 15705, 17838, 20811, 21987, 24430, 29730, 31410, 34685, 36645, 41622, 43974, 44595, 62433, 69370, 73290, 89190, 104055, 109935, 124866, 208110, 219870, 312165, 345859, 624330, 691718, 1037577, 1729295, 2075154, 2421013, 3112731, 3458590, 4842026, 5187885, 6225462, 7263039, 10375770, 12105065, 14526078, 15563655, 21789117, 24210130, 31127310, 36315195, 43578234, 72630390, 108945585, 217891170]

約数ペア:

[(1, 217891170), (2, 108945585), (3, 72630390), (5, 43578234), (6, 36315195), (7, 31127310), (9, 24210130), (10, 21789117), (14, 15563655), (15, 14526078), (18, 12105065), (21, 10375770), (30, 7263039), (35, 6225462), (42, 5187885), (45, 4842026), (63, 3458590), (70, 3112731), (90, 2421013), (105, 2075154), (126, 1729295), (210, 1037577), (315, 691718), (349, 624330), (630, 345859), (698, 312165), (991, 219870), (1047, 208110), (1745, 124866), (1982, 109935), (2094, 104055), (2443, 89190), (2973, 73290), (3141, 69370), (3490, 62433), (4886, 44595), (4955, 43974), (5235, 41622), (5946, 36645), (6282, 34685), (6937, 31410), (7329, 29730), (8919, 24430), (9910, 21987), (10470, 20811), (12215, 17838), (13874, 15705), (14658, 14865)]