897499010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{2969}}^1$

素因数の和:3075

約数の個数: 64

約数和(自身を含む): 1787702400

約数和(自身を除く): 890203390

約数列:

[1, 2, 5, 10, 19, 37, 38, 43, 74, 86, 95, 185, 190, 215, 370, 430, 703, 817, 1406, 1591, 1634, 2969, 3182, 3515, 4085, 5938, 7030, 7955, 8170, 14845, 15910, 29690, 30229, 56411, 60458, 109853, 112822, 127667, 151145, 219706, 255334, 282055, 302290, 549265, 564110, 638335, 1098530, 1276670, 2087207, 2425673, 4174414, 4723679, 4851346, 9447358, 10436035, 12128365, 20872070, 23618395, 24256730, 47236790, 89749901, 179499802, 448749505, 897499010]

約数ペア:

[(1, 897499010), (2, 448749505), (5, 179499802), (10, 89749901), (19, 47236790), (37, 24256730), (38, 23618395), (43, 20872070), (74, 12128365), (86, 10436035), (95, 9447358), (185, 4851346), (190, 4723679), (215, 4174414), (370, 2425673), (430, 2087207), (703, 1276670), (817, 1098530), (1406, 638335), (1591, 564110), (1634, 549265), (2969, 302290), (3182, 282055), (3515, 255334), (4085, 219706), (5938, 151145), (7030, 127667), (7955, 112822), (8170, 109853), (14845, 60458), (15910, 56411), (29690, 30229)]