About the Number

2428790

2428789 ← → 2428791

2進数表記:1001010000111101110110

漢数字表記:二百四十二万八千七百九十

素因数分解:

2 1 × 5 1 × 7 1 × 13 1 × 17 1 × 157 1

素因数の和:201
約数の個数: 64
約数和(自身を含む): 5733504
約数和(自身を除く): 3304714

約数列:
[1, 2, 5, 7, 10, 13, 14, 17, 26, 34, 35, 65, 70, 85, 91, 119, 130, 157, 170, 182, 221, 238, 314, 442, 455, 595, 785, 910, 1099, 1105, 1190, 1547, 1570, 2041, 2198, 2210, 2669, 3094, 4082, 5338, 5495, 7735, 10205, 10990, 13345, 14287, 15470, 18683, 20410, 26690, 28574, 34697, 37366, 69394, 71435, 93415, 142870, 173485, 186830, 242879, 346970, 485758, 1214395, 2428790]

約数ペア:
[(1, 2428790), (2, 1214395), (5, 485758), (7, 346970), (10, 242879), (13, 186830), (14, 173485), (17, 142870), (26, 93415), (34, 71435), (35, 69394), (65, 37366), (70, 34697), (85, 28574), (91, 26690), (119, 20410), (130, 18683), (157, 15470), (170, 14287), (182, 13345), (221, 10990), (238, 10205), (314, 7735), (442, 5495), (455, 5338), (595, 4082), (785, 3094), (910, 2669), (1099, 2210), (1105, 2198), (1190, 2041), (1547, 1570)]

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