About the Number

200728990

200728989 ← → 200728991

2進数表記:1011111101101110000110011110

漢数字表記:二億七十二万八千九百九十

素因数分解:

2 1 × 5 1 × 7 2 × 11 1 × 167 1 × 223 1

素因数の和:422
約数の個数: 96
約数和(自身を含む): 463325184
約数和(自身を除く): 262596194

約数列:
[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 55, 70, 77, 98, 110, 154, 167, 223, 245, 334, 385, 446, 490, 539, 770, 835, 1078, 1115, 1169, 1561, 1670, 1837, 2230, 2338, 2453, 2695, 3122, 3674, 4906, 5390, 5845, 7805, 8183, 9185, 10927, 11690, 12265, 12859, 15610, 16366, 17171, 18370, 21854, 24530, 25718, 34342, 37241, 40915, 54635, 64295, 74482, 81830, 85855, 90013, 109270, 120197, 128590, 171710, 180026, 186205, 240394, 260687, 372410, 409651, 450065, 521374, 600985, 819302, 900130, 1201970, 1303435, 1824809, 2048255, 2606870, 2867557, 3649618, 4096510, 5735114, 9124045, 14337785, 18248090, 20072899, 28675570, 40145798, 100364495, 200728990]

約数ペア:
[(1, 200728990), (2, 100364495), (5, 40145798), (7, 28675570), (10, 20072899), (11, 18248090), (14, 14337785), (22, 9124045), (35, 5735114), (49, 4096510), (55, 3649618), (70, 2867557), (77, 2606870), (98, 2048255), (110, 1824809), (154, 1303435), (167, 1201970), (223, 900130), (245, 819302), (334, 600985), (385, 521374), (446, 450065), (490, 409651), (539, 372410), (770, 260687), (835, 240394), (1078, 186205), (1115, 180026), (1169, 171710), (1561, 128590), (1670, 120197), (1837, 109270), (2230, 90013), (2338, 85855), (2453, 81830), (2695, 74482), (3122, 64295), (3674, 54635), (4906, 40915), (5390, 37241), (5845, 34342), (7805, 25718), (8183, 24530), (9185, 21854), (10927, 18370), (11690, 17171), (12265, 16366), (12859, 15610)]

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