About the Number

1520990470

1520990469 ← → 1520990471

2進数表記:1011010101010000111100100000110

漢数字表記:十五億二千九十九万四百七十

素因数分解:

2 1 × 5 1 × 19 2 × 61 1 × 6907 1

素因数の和:7013
約数の個数: 48
約数和(自身を含む): 2937253968
約数和(自身を除く): 1416263498

約数列:
[1, 2, 5, 10, 19, 38, 61, 95, 122, 190, 305, 361, 610, 722, 1159, 1805, 2318, 3610, 5795, 6907, 11590, 13814, 22021, 34535, 44042, 69070, 110105, 131233, 220210, 262466, 421327, 656165, 842654, 1312330, 2106635, 2493427, 4213270, 4986854, 8005213, 12467135, 16010426, 24934270, 40026065, 80052130, 152099047, 304198094, 760495235, 1520990470]

約数ペア:
[(1, 1520990470), (2, 760495235), (5, 304198094), (10, 152099047), (19, 80052130), (38, 40026065), (61, 24934270), (95, 16010426), (122, 12467135), (190, 8005213), (305, 4986854), (361, 4213270), (610, 2493427), (722, 2106635), (1159, 1312330), (1805, 842654), (2318, 656165), (3610, 421327), (5795, 262466), (6907, 220210), (11590, 131233), (13814, 110105), (22021, 69070), (34535, 44042)]

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