90238470

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{997}}^1$

素因数の和:1445

約数の個数: 64

約数和(自身を含む): 248334336

約数和(自身を除く): 158095866

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 431, 862, 997, 1293, 1994, 2155, 2586, 2991, 3017, 4310, 4985, 5982, 6034, 6465, 6979, 9051, 9970, 12930, 13958, 14955, 15085, 18102, 20937, 29910, 30170, 34895, 41874, 45255, 69790, 90510, 104685, 209370, 429707, 859414, 1289121, 2148535, 2578242, 3007949, 4297070, 6015898, 6445605, 9023847, 12891210, 15039745, 18047694, 30079490, 45119235, 90238470]

約数ペア:

[(1, 90238470), (2, 45119235), (3, 30079490), (5, 18047694), (6, 15039745), (7, 12891210), (10, 9023847), (14, 6445605), (15, 6015898), (21, 4297070), (30, 3007949), (35, 2578242), (42, 2148535), (70, 1289121), (105, 859414), (210, 429707), (431, 209370), (862, 104685), (997, 90510), (1293, 69790), (1994, 45255), (2155, 41874), (2586, 34895), (2991, 30170), (3017, 29910), (4310, 20937), (4985, 18102), (5982, 15085), (6034, 14955), (6465, 13958), (6979, 12930), (9051, 9970)]