About the Number

202001025

202001024 ← → 202001026

2進数表記:1100000010100100101010000001

漢数字表記:二億二百万千二十五

素因数分解:

3 1 × 5 2 × 79 1 × 103 1 × 331 1

素因数の和:526
約数の個数: 48
約数和(自身を含む): 342517760
約数和(自身を除く): 140516735

約数列:
[1, 3, 5, 15, 25, 75, 79, 103, 237, 309, 331, 395, 515, 993, 1185, 1545, 1655, 1975, 2575, 4965, 5925, 7725, 8137, 8275, 24411, 24825, 26149, 34093, 40685, 78447, 102279, 122055, 130745, 170465, 203425, 392235, 511395, 610275, 653725, 852325, 1961175, 2556975, 2693347, 8080041, 13466735, 40400205, 67333675, 202001025]

約数ペア:
[(1, 202001025), (3, 67333675), (5, 40400205), (15, 13466735), (25, 8080041), (75, 2693347), (79, 2556975), (103, 1961175), (237, 852325), (309, 653725), (331, 610275), (395, 511395), (515, 392235), (993, 203425), (1185, 170465), (1545, 130745), (1655, 122055), (1975, 102279), (2575, 78447), (4965, 40685), (5925, 34093), (7725, 26149), (8137, 24825), (8275, 24411)]

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