212909240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{1667}}^1$

素因数の和:1812

約数の個数: 64

約数和(自身を含む): 499599360

約数和(自身を除く): 286690120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 103, 124, 155, 206, 248, 310, 412, 515, 620, 824, 1030, 1240, 1667, 2060, 3193, 3334, 4120, 6386, 6668, 8335, 12772, 13336, 15965, 16670, 25544, 31930, 33340, 51677, 63860, 66680, 103354, 127720, 171701, 206708, 258385, 343402, 413416, 516770, 686804, 858505, 1033540, 1373608, 1717010, 2067080, 3434020, 5322731, 6868040, 10645462, 21290924, 26613655, 42581848, 53227310, 106454620, 212909240]

約数ペア:

[(1, 212909240), (2, 106454620), (4, 53227310), (5, 42581848), (8, 26613655), (10, 21290924), (20, 10645462), (31, 6868040), (40, 5322731), (62, 3434020), (103, 2067080), (124, 1717010), (155, 1373608), (206, 1033540), (248, 858505), (310, 686804), (412, 516770), (515, 413416), (620, 343402), (824, 258385), (1030, 206708), (1240, 171701), (1667, 127720), (2060, 103354), (3193, 66680), (3334, 63860), (4120, 51677), (6386, 33340), (6668, 31930), (8335, 25544), (12772, 16670), (13336, 15965)]