90197750

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1117}}^1$

素因数の和:1170

約数の個数: 64

約数和(自身を含む): 188360640

約数和(自身を除く): 98162890

約数列:

[1, 2, 5, 10, 17, 19, 25, 34, 38, 50, 85, 95, 125, 170, 190, 250, 323, 425, 475, 646, 850, 950, 1117, 1615, 2125, 2234, 2375, 3230, 4250, 4750, 5585, 8075, 11170, 16150, 18989, 21223, 27925, 37978, 40375, 42446, 55850, 80750, 94945, 106115, 139625, 189890, 212230, 279250, 360791, 474725, 530575, 721582, 949450, 1061150, 1803955, 2373625, 2652875, 3607910, 4747250, 5305750, 9019775, 18039550, 45098875, 90197750]

約数ペア:

[(1, 90197750), (2, 45098875), (5, 18039550), (10, 9019775), (17, 5305750), (19, 4747250), (25, 3607910), (34, 2652875), (38, 2373625), (50, 1803955), (85, 1061150), (95, 949450), (125, 721582), (170, 530575), (190, 474725), (250, 360791), (323, 279250), (425, 212230), (475, 189890), (646, 139625), (850, 106115), (950, 94945), (1117, 80750), (1615, 55850), (2125, 42446), (2234, 40375), (2375, 37978), (3230, 27925), (4250, 21223), (4750, 18989), (5585, 16150), (8075, 11170)]