440386884

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{11131}}^1$

素因数の和:11305

約数の個数: 72

約数和(自身を含む): 1280447168

約数和(自身を除く): 840060284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 471, 628, 942, 1099, 1413, 1884, 2198, 2826, 3297, 4396, 5652, 6594, 9891, 11131, 13188, 19782, 22262, 33393, 39564, 44524, 66786, 77917, 100179, 133572, 155834, 200358, 233751, 311668, 400716, 467502, 701253, 935004, 1402506, 1747567, 2805012, 3495134, 5242701, 6990268, 10485402, 12232969, 15728103, 20970804, 24465938, 31456206, 36698907, 48931876, 62912412, 73397814, 110096721, 146795628, 220193442, 440386884]

約数ペア:

[(1, 440386884), (2, 220193442), (3, 146795628), (4, 110096721), (6, 73397814), (7, 62912412), (9, 48931876), (12, 36698907), (14, 31456206), (18, 24465938), (21, 20970804), (28, 15728103), (36, 12232969), (42, 10485402), (63, 6990268), (84, 5242701), (126, 3495134), (157, 2805012), (252, 1747567), (314, 1402506), (471, 935004), (628, 701253), (942, 467502), (1099, 400716), (1413, 311668), (1884, 233751), (2198, 200358), (2826, 155834), (3297, 133572), (4396, 100179), (5652, 77917), (6594, 66786), (9891, 44524), (11131, 39564), (13188, 33393), (19782, 22262)]