899492740

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:421

約数の個数: 96

約数和(自身を含む): 2020515840

約数和(自身を除く): 1121023100

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 115, 127, 173, 178, 230, 254, 346, 356, 445, 460, 508, 635, 692, 865, 890, 1270, 1730, 1780, 2047, 2540, 2921, 3460, 3979, 4094, 5842, 7958, 8188, 10235, 11303, 11684, 14605, 15397, 15916, 19895, 20470, 21971, 22606, 29210, 30794, 39790, 40940, 43942, 45212, 56515, 58420, 61588, 76985, 79580, 87884, 109855, 113030, 153970, 219710, 226060, 259969, 307940, 354131, 439420, 505333, 519938, 708262, 1010666, 1039876, 1299845, 1416524, 1770655, 1955419, 2021332, 2526665, 2599690, 3541310, 3910838, 5053330, 5199380, 7082620, 7821676, 9777095, 10106660, 19554190, 39108380, 44974637, 89949274, 179898548, 224873185, 449746370, 899492740]

約数ペア:

[(1, 899492740), (2, 449746370), (4, 224873185), (5, 179898548), (10, 89949274), (20, 44974637), (23, 39108380), (46, 19554190), (89, 10106660), (92, 9777095), (115, 7821676), (127, 7082620), (173, 5199380), (178, 5053330), (230, 3910838), (254, 3541310), (346, 2599690), (356, 2526665), (445, 2021332), (460, 1955419), (508, 1770655), (635, 1416524), (692, 1299845), (865, 1039876), (890, 1010666), (1270, 708262), (1730, 519938), (1780, 505333), (2047, 439420), (2540, 354131), (2921, 307940), (3460, 259969), (3979, 226060), (4094, 219710), (5842, 153970), (7958, 113030), (8188, 109855), (10235, 87884), (11303, 79580), (11684, 76985), (14605, 61588), (15397, 58420), (15916, 56515), (19895, 45212), (20470, 43942), (21971, 40940), (22606, 39790), (29210, 30794)]