947507560

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^2\times {\mathrm{157}}^2$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 2217001590

約数和(自身を除く): 1269494030

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 310, 314, 620, 628, 785, 961, 1240, 1256, 1570, 1922, 3140, 3844, 4805, 4867, 6280, 7688, 9610, 9734, 19220, 19468, 24335, 24649, 38440, 38936, 48670, 49298, 97340, 98596, 123245, 150877, 194680, 197192, 246490, 301754, 492980, 603508, 754385, 764119, 985960, 1207016, 1508770, 1528238, 3017540, 3056476, 3820595, 6035080, 6112952, 7641190, 15282380, 23687689, 30564760, 47375378, 94750756, 118438445, 189501512, 236876890, 473753780, 947507560]

約数ペア:

[(1, 947507560), (2, 473753780), (4, 236876890), (5, 189501512), (8, 118438445), (10, 94750756), (20, 47375378), (31, 30564760), (40, 23687689), (62, 15282380), (124, 7641190), (155, 6112952), (157, 6035080), (248, 3820595), (310, 3056476), (314, 3017540), (620, 1528238), (628, 1508770), (785, 1207016), (961, 985960), (1240, 764119), (1256, 754385), (1570, 603508), (1922, 492980), (3140, 301754), (3844, 246490), (4805, 197192), (4867, 194680), (6280, 150877), (7688, 123245), (9610, 98596), (9734, 97340), (19220, 49298), (19468, 48670), (24335, 38936), (24649, 38440)]