1243349240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{143243}}^1$

素因数の和:143292

約数の個数: 64

約数和(自身を含む): 3300341760

約数和(自身を除く): 2056992520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8680, 143243, 286486, 572972, 716215, 1002701, 1145944, 1432430, 2005402, 2864860, 4010804, 4440533, 5013505, 5729720, 8021608, 8881066, 10027010, 17762132, 20054020, 22202665, 31083731, 35524264, 40108040, 44405330, 62167462, 88810660, 124334924, 155418655, 177621320, 248669848, 310837310, 621674620, 1243349240]

約数ペア:

[(1, 1243349240), (2, 621674620), (4, 310837310), (5, 248669848), (7, 177621320), (8, 155418655), (10, 124334924), (14, 88810660), (20, 62167462), (28, 44405330), (31, 40108040), (35, 35524264), (40, 31083731), (56, 22202665), (62, 20054020), (70, 17762132), (124, 10027010), (140, 8881066), (155, 8021608), (217, 5729720), (248, 5013505), (280, 4440533), (310, 4010804), (434, 2864860), (620, 2005402), (868, 1432430), (1085, 1145944), (1240, 1002701), (1736, 716215), (2170, 572972), (4340, 286486), (8680, 143243)]