About the Number

200520400

200520399 ← → 200520401

2進数表記:1011111100111011001011010000

漢数字表記:二億五十二万四百

素因数分解:

2 4 × 5 2 × 31 1 × 103 1 × 157 1

素因数の和:309
約数の個数: 120
約数和(自身を含む): 505316864
約数和(自身を除く): 304796464

約数列:
[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 103, 124, 155, 157, 200, 206, 248, 310, 314, 400, 412, 496, 515, 620, 628, 775, 785, 824, 1030, 1240, 1256, 1550, 1570, 1648, 2060, 2480, 2512, 2575, 3100, 3140, 3193, 3925, 4120, 4867, 5150, 6200, 6280, 6386, 7850, 8240, 9734, 10300, 12400, 12560, 12772, 15700, 15965, 16171, 19468, 20600, 24335, 25544, 31400, 31930, 32342, 38936, 41200, 48670, 51088, 62800, 63860, 64684, 77872, 79825, 80855, 97340, 121675, 127720, 129368, 159650, 161710, 194680, 243350, 255440, 258736, 319300, 323420, 389360, 404275, 486700, 501301, 638600, 646840, 808550, 973400, 1002602, 1277200, 1293680, 1617100, 1946800, 2005204, 2506505, 3234200, 4010408, 5013010, 6468400, 8020816, 10026020, 12532525, 20052040, 25065050, 40104080, 50130100, 100260200, 200520400]

約数ペア:
[(1, 200520400), (2, 100260200), (4, 50130100), (5, 40104080), (8, 25065050), (10, 20052040), (16, 12532525), (20, 10026020), (25, 8020816), (31, 6468400), (40, 5013010), (50, 4010408), (62, 3234200), (80, 2506505), (100, 2005204), (103, 1946800), (124, 1617100), (155, 1293680), (157, 1277200), (200, 1002602), (206, 973400), (248, 808550), (310, 646840), (314, 638600), (400, 501301), (412, 486700), (496, 404275), (515, 389360), (620, 323420), (628, 319300), (775, 258736), (785, 255440), (824, 243350), (1030, 194680), (1240, 161710), (1256, 159650), (1550, 129368), (1570, 127720), (1648, 121675), (2060, 97340), (2480, 80855), (2512, 79825), (2575, 77872), (3100, 64684), (3140, 63860), (3193, 62800), (3925, 51088), (4120, 48670), (4867, 41200), (5150, 38936), (6200, 32342), (6280, 31930), (6386, 31400), (7850, 25544), (8240, 24335), (9734, 20600), (10300, 19468), (12400, 16171), (12560, 15965), (12772, 15700)]

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