About the Number

202101390

202101389 ← → 202101391

2進数表記:1100000010111101001010001110

漢数字表記:二億二百十万千三百九十

素因数分解:

2 1 × 3 2 × 5 1 × 157 1 × 14303 1

素因数の和:14473
約数の個数: 48
約数和(自身を含む): 528847488
約数和(自身を除く): 326746098

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 314, 471, 785, 942, 1413, 1570, 2355, 2826, 4710, 7065, 14130, 14303, 28606, 42909, 71515, 85818, 128727, 143030, 214545, 257454, 429090, 643635, 1287270, 2245571, 4491142, 6736713, 11227855, 13473426, 20210139, 22455710, 33683565, 40420278, 67367130, 101050695, 202101390]

約数ペア:
[(1, 202101390), (2, 101050695), (3, 67367130), (5, 40420278), (6, 33683565), (9, 22455710), (10, 20210139), (15, 13473426), (18, 11227855), (30, 6736713), (45, 4491142), (90, 2245571), (157, 1287270), (314, 643635), (471, 429090), (785, 257454), (942, 214545), (1413, 143030), (1570, 128727), (2355, 85818), (2826, 71515), (4710, 42909), (7065, 28606), (14130, 14303)]

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