About the Number

202100780

202100779 ← → 202100781

2進数表記:1100000010111101000000101100

漢数字表記:二億二百十万七百八十

素因数分解:

2 2 × 5 1 × 7 1 × 31 1 × 46567 1

素因数の和:46614
約数の個数: 48
約数和(自身を含む): 500699136
約数和(自身を除く): 298598356

約数列:
[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 46567, 93134, 186268, 232835, 325969, 465670, 651938, 931340, 1303876, 1443577, 1629845, 2887154, 3259690, 5774308, 6519380, 7217885, 10105039, 14435770, 20210078, 28871540, 40420156, 50525195, 101050390, 202100780]

約数ペア:
[(1, 202100780), (2, 101050390), (4, 50525195), (5, 40420156), (7, 28871540), (10, 20210078), (14, 14435770), (20, 10105039), (28, 7217885), (31, 6519380), (35, 5774308), (62, 3259690), (70, 2887154), (124, 1629845), (140, 1443577), (155, 1303876), (217, 931340), (310, 651938), (434, 465670), (620, 325969), (868, 232835), (1085, 186268), (2170, 93134), (4340, 46567)]

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