64935290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{1489}}^1$

素因数の和:1599

約数の個数: 48

約数和(自身を含む): 137586600

約数和(自身を除く): 72651310

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 89, 98, 178, 245, 445, 490, 623, 890, 1246, 1489, 2978, 3115, 4361, 6230, 7445, 8722, 10423, 14890, 20846, 21805, 43610, 52115, 72961, 104230, 132521, 145922, 265042, 364805, 662605, 729610, 927647, 1325210, 1855294, 4638235, 6493529, 9276470, 12987058, 32467645, 64935290]

約数ペア:

[(1, 64935290), (2, 32467645), (5, 12987058), (7, 9276470), (10, 6493529), (14, 4638235), (35, 1855294), (49, 1325210), (70, 927647), (89, 729610), (98, 662605), (178, 364805), (245, 265042), (445, 145922), (490, 132521), (623, 104230), (890, 72961), (1246, 52115), (1489, 43610), (2978, 21805), (3115, 20846), (4361, 14890), (6230, 10423), (7445, 8722)]