203419240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{521}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 471303360

約数和(自身を除く): 267884120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 227, 344, 430, 454, 521, 860, 908, 1042, 1135, 1720, 1816, 2084, 2270, 2605, 4168, 4540, 5210, 9080, 9761, 10420, 19522, 20840, 22403, 39044, 44806, 48805, 78088, 89612, 97610, 112015, 118267, 179224, 195220, 224030, 236534, 390440, 448060, 473068, 591335, 896120, 946136, 1182670, 2365340, 4730680, 5085481, 10170962, 20341924, 25427405, 40683848, 50854810, 101709620, 203419240]

約数ペア:

[(1, 203419240), (2, 101709620), (4, 50854810), (5, 40683848), (8, 25427405), (10, 20341924), (20, 10170962), (40, 5085481), (43, 4730680), (86, 2365340), (172, 1182670), (215, 946136), (227, 896120), (344, 591335), (430, 473068), (454, 448060), (521, 390440), (860, 236534), (908, 224030), (1042, 195220), (1135, 179224), (1720, 118267), (1816, 112015), (2084, 97610), (2270, 89612), (2605, 78088), (4168, 48805), (4540, 44806), (5210, 39044), (9080, 22403), (9761, 20840), (10420, 19522)]