152017940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:764

約数の個数: 48

約数和(自身を含む): 325155600

約数和(自身を除く): 173137660

約数列:

[1, 2, 4, 5, 10, 20, 109, 137, 218, 274, 436, 509, 545, 548, 685, 1018, 1090, 1370, 2036, 2180, 2545, 2740, 5090, 10180, 14933, 29866, 55481, 59732, 69733, 74665, 110962, 139466, 149330, 221924, 277405, 278932, 298660, 348665, 554810, 697330, 1109620, 1394660, 7600897, 15201794, 30403588, 38004485, 76008970, 152017940]

約数ペア:

[(1, 152017940), (2, 76008970), (4, 38004485), (5, 30403588), (10, 15201794), (20, 7600897), (109, 1394660), (137, 1109620), (218, 697330), (274, 554810), (436, 348665), (509, 298660), (545, 278932), (548, 277405), (685, 221924), (1018, 149330), (1090, 139466), (1370, 110962), (2036, 74665), (2180, 69733), (2545, 59732), (2740, 55481), (5090, 29866), (10180, 14933)]