About the Number

890289428

890289427 ← → 890289429

2進数表記:110101000100001011110100010100

漢数字表記:八億九千二十八万九千四百二十八

素因数分解:

2 2 × 7 3 × 23 1 × 89 1 × 317 1

素因数の和:454
約数の個数: 96
約数和(自身を含む): 1923264000
約数和(自身を除く): 1032974572

約数列:
[1, 2, 4, 7, 14, 23, 28, 46, 49, 89, 92, 98, 161, 178, 196, 317, 322, 343, 356, 623, 634, 644, 686, 1127, 1246, 1268, 1372, 2047, 2219, 2254, 2492, 4094, 4361, 4438, 4508, 7291, 7889, 8188, 8722, 8876, 14329, 14582, 15533, 15778, 17444, 28213, 28658, 29164, 30527, 31066, 31556, 51037, 56426, 57316, 61054, 62132, 100303, 102074, 108731, 112852, 122108, 197491, 200606, 204148, 217462, 357259, 394982, 401212, 434924, 648899, 702121, 714518, 789964, 1297798, 1382437, 1404242, 1429036, 2500813, 2595596, 2764874, 2808484, 4542293, 5001626, 5529748, 9084586, 9677059, 10003252, 18169172, 19354118, 31796051, 38708236, 63592102, 127184204, 222572357, 445144714, 890289428]

約数ペア:
[(1, 890289428), (2, 445144714), (4, 222572357), (7, 127184204), (14, 63592102), (23, 38708236), (28, 31796051), (46, 19354118), (49, 18169172), (89, 10003252), (92, 9677059), (98, 9084586), (161, 5529748), (178, 5001626), (196, 4542293), (317, 2808484), (322, 2764874), (343, 2595596), (356, 2500813), (623, 1429036), (634, 1404242), (644, 1382437), (686, 1297798), (1127, 789964), (1246, 714518), (1268, 702121), (1372, 648899), (2047, 434924), (2219, 401212), (2254, 394982), (2492, 357259), (4094, 217462), (4361, 204148), (4438, 200606), (4508, 197491), (7291, 122108), (7889, 112852), (8188, 108731), (8722, 102074), (8876, 100303), (14329, 62132), (14582, 61054), (15533, 57316), (15778, 56426), (17444, 51037), (28213, 31556), (28658, 31066), (29164, 30527)]

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