About the Number

137872980

137872979 ← → 137872981

2進数表記:1000001101111100011001010100

漢数字表記:一億三千七百八十七万二千九百八十

素因数分解:

2 2 × 3 2 × 5 1 × 7 1 × 109423 1

素因数の和:109445
約数の個数: 72
約数和(自身を含む): 477964032
約数和(自身を除く): 340091052

約数列:
[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 109423, 218846, 328269, 437692, 547115, 656538, 765961, 984807, 1094230, 1313076, 1531922, 1641345, 1969614, 2188460, 2297883, 3063844, 3282690, 3829805, 3939228, 4595766, 4924035, 6565380, 6893649, 7659610, 9191532, 9848070, 11489415, 13787298, 15319220, 19696140, 22978830, 27574596, 34468245, 45957660, 68936490, 137872980]

約数ペア:
[(1, 137872980), (2, 68936490), (3, 45957660), (4, 34468245), (5, 27574596), (6, 22978830), (7, 19696140), (9, 15319220), (10, 13787298), (12, 11489415), (14, 9848070), (15, 9191532), (18, 7659610), (20, 6893649), (21, 6565380), (28, 4924035), (30, 4595766), (35, 3939228), (36, 3829805), (42, 3282690), (45, 3063844), (60, 2297883), (63, 2188460), (70, 1969614), (84, 1641345), (90, 1531922), (105, 1313076), (126, 1094230), (140, 984807), (180, 765961), (210, 656538), (252, 547115), (315, 437692), (420, 328269), (630, 218846), (1260, 109423)]

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