180865150

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{521}}^1$

素因数の和:717

約数の個数: 48

約数和(自身を含む): 346035888

約数和(自身を除く): 165170738

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 131, 262, 265, 521, 530, 655, 1042, 1310, 1325, 2605, 2650, 3275, 5210, 6550, 6943, 13025, 13886, 26050, 27613, 34715, 55226, 68251, 69430, 136502, 138065, 173575, 276130, 341255, 347150, 682510, 690325, 1380650, 1706275, 3412550, 3617303, 7234606, 18086515, 36173030, 90432575, 180865150]

約数ペア:

[(1, 180865150), (2, 90432575), (5, 36173030), (10, 18086515), (25, 7234606), (50, 3617303), (53, 3412550), (106, 1706275), (131, 1380650), (262, 690325), (265, 682510), (521, 347150), (530, 341255), (655, 276130), (1042, 173575), (1310, 138065), (1325, 136502), (2605, 69430), (2650, 68251), (3275, 55226), (5210, 34715), (6550, 27613), (6943, 26050), (13025, 13886)]