About the Number

200403990

200403989 ← → 200403991

2進数表記:1011111100011110110000010110

漢数字表記:二億四十万三千九百九十

素因数分解:

2 1 × 3 3 × 5 1 × 17 1 × 43661 1

素因数の和:43694
約数の個数: 64
約数和(自身を含む): 565859520
約数和(自身を除く): 365455530

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 27, 30, 34, 45, 51, 54, 85, 90, 102, 135, 153, 170, 255, 270, 306, 459, 510, 765, 918, 1530, 2295, 4590, 43661, 87322, 130983, 218305, 261966, 392949, 436610, 654915, 742237, 785898, 1178847, 1309830, 1484474, 1964745, 2226711, 2357694, 3711185, 3929490, 4453422, 5894235, 6680133, 7422370, 11133555, 11788470, 13360266, 20040399, 22267110, 33400665, 40080798, 66801330, 100201995, 200403990]

約数ペア:
[(1, 200403990), (2, 100201995), (3, 66801330), (5, 40080798), (6, 33400665), (9, 22267110), (10, 20040399), (15, 13360266), (17, 11788470), (18, 11133555), (27, 7422370), (30, 6680133), (34, 5894235), (45, 4453422), (51, 3929490), (54, 3711185), (85, 2357694), (90, 2226711), (102, 1964745), (135, 1484474), (153, 1309830), (170, 1178847), (255, 785898), (270, 742237), (306, 654915), (459, 436610), (510, 392949), (765, 261966), (918, 218305), (1530, 130983), (2295, 87322), (4590, 43661)]

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