640097410

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{349}}^1\times {\mathrm{4957}}^1$

素因数の和:5350

約数の個数: 32

約数和(自身を含む): 1186945200

約数和(自身を除く): 546847790

約数列:

[1, 2, 5, 10, 37, 74, 185, 349, 370, 698, 1745, 3490, 4957, 9914, 12913, 24785, 25826, 49570, 64565, 129130, 183409, 366818, 917045, 1729993, 1834090, 3459986, 8649965, 17299930, 64009741, 128019482, 320048705, 640097410]

約数ペア:

[(1, 640097410), (2, 320048705), (5, 128019482), (10, 64009741), (37, 17299930), (74, 8649965), (185, 3459986), (349, 1834090), (370, 1729993), (698, 917045), (1745, 366818), (3490, 183409), (4957, 129130), (9914, 64565), (12913, 49570), (24785, 25826)]