About the Number

210380880

210380879 ← → 210380881

2進数表記:1100100010100010100001010000

漢数字表記:二億千三十八万八百八十

素因数分解:

2 4 × 3 1 × 5 1 × 31 1 × 28277 1

素因数の和:28324
約数の個数: 80
約数和(自身を含む): 673242624
約数和(自身を除く): 462861744

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 7440, 28277, 56554, 84831, 113108, 141385, 169662, 226216, 282770, 339324, 424155, 452432, 565540, 678648, 848310, 876587, 1131080, 1357296, 1696620, 1753174, 2262160, 2629761, 3393240, 3506348, 4382935, 5259522, 6786480, 7012696, 8765870, 10519044, 13148805, 14025392, 17531740, 21038088, 26297610, 35063480, 42076176, 52595220, 70126960, 105190440, 210380880]

約数ペア:
[(1, 210380880), (2, 105190440), (3, 70126960), (4, 52595220), (5, 42076176), (6, 35063480), (8, 26297610), (10, 21038088), (12, 17531740), (15, 14025392), (16, 13148805), (20, 10519044), (24, 8765870), (30, 7012696), (31, 6786480), (40, 5259522), (48, 4382935), (60, 3506348), (62, 3393240), (80, 2629761), (93, 2262160), (120, 1753174), (124, 1696620), (155, 1357296), (186, 1131080), (240, 876587), (248, 848310), (310, 678648), (372, 565540), (465, 452432), (496, 424155), (620, 339324), (744, 282770), (930, 226216), (1240, 169662), (1488, 141385), (1860, 113108), (2480, 84831), (3720, 56554), (7440, 28277)]

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