About the Number

213986490

213986489 ← → 213986491

2進数表記:1100110000010010110010111010

漢数字表記:二億千三百九十八万六千四百九十

素因数分解:

2 1 × 3 1 × 5 1 × 31 1 × 43 1 × 5351 1

素因数の和:5435
約数の個数: 64
約数和(自身を含む): 542564352
約数和(自身を除く): 328577862

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 31, 43, 62, 86, 93, 129, 155, 186, 215, 258, 310, 430, 465, 645, 930, 1290, 1333, 2666, 3999, 5351, 6665, 7998, 10702, 13330, 16053, 19995, 26755, 32106, 39990, 53510, 80265, 160530, 165881, 230093, 331762, 460186, 497643, 690279, 829405, 995286, 1150465, 1380558, 1658810, 2300930, 2488215, 3451395, 4976430, 6902790, 7132883, 14265766, 21398649, 35664415, 42797298, 71328830, 106993245, 213986490]

約数ペア:
[(1, 213986490), (2, 106993245), (3, 71328830), (5, 42797298), (6, 35664415), (10, 21398649), (15, 14265766), (30, 7132883), (31, 6902790), (43, 4976430), (62, 3451395), (86, 2488215), (93, 2300930), (129, 1658810), (155, 1380558), (186, 1150465), (215, 995286), (258, 829405), (310, 690279), (430, 497643), (465, 460186), (645, 331762), (930, 230093), (1290, 165881), (1333, 160530), (2666, 80265), (3999, 53510), (5351, 39990), (6665, 32106), (7998, 26755), (10702, 19995), (13330, 16053)]

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