74314990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:273

約数の個数: 64

約数和(自身を含む): 147806208

約数和(自身を除く): 73491218

約数列:

[1, 2, 5, 10, 17, 34, 47, 71, 85, 94, 131, 142, 170, 235, 262, 355, 470, 655, 710, 799, 1207, 1310, 1598, 2227, 2414, 3337, 3995, 4454, 6035, 6157, 6674, 7990, 9301, 11135, 12070, 12314, 16685, 18602, 22270, 30785, 33370, 46505, 56729, 61570, 93010, 104669, 113458, 158117, 209338, 283645, 316234, 437147, 523345, 567290, 790585, 874294, 1046690, 1581170, 2185735, 4371470, 7431499, 14862998, 37157495, 74314990]

約数ペア:

[(1, 74314990), (2, 37157495), (5, 14862998), (10, 7431499), (17, 4371470), (34, 2185735), (47, 1581170), (71, 1046690), (85, 874294), (94, 790585), (131, 567290), (142, 523345), (170, 437147), (235, 316234), (262, 283645), (355, 209338), (470, 158117), (655, 113458), (710, 104669), (799, 93010), (1207, 61570), (1310, 56729), (1598, 46505), (2227, 33370), (2414, 30785), (3337, 22270), (3995, 18602), (4454, 16685), (6035, 12314), (6157, 12070), (6674, 11135), (7990, 9301)]