204596680

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{138241}}^1$

素因数の和:138289

約数の個数: 32

約数和(自身を含む): 472787640

約数和(自身を除く): 268190960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 138241, 276482, 552964, 691205, 1105928, 1382410, 2764820, 5114917, 5529640, 10229834, 20459668, 25574585, 40919336, 51149170, 102298340, 204596680]

約数ペア:

[(1, 204596680), (2, 102298340), (4, 51149170), (5, 40919336), (8, 25574585), (10, 20459668), (20, 10229834), (37, 5529640), (40, 5114917), (74, 2764820), (148, 1382410), (185, 1105928), (296, 691205), (370, 552964), (740, 276482), (1480, 138241)]