About the Number

31242280

31242279 ← → 31242281

2進数表記:1110111001011100000101000

漢数字表記:三千百二十四万二千二百八十

素因数分解:

2 3 × 5 1 × 23 1 × 29 1 × 1171 1

素因数の和:1234
約数の個数: 64
約数和(自身を含む): 75945600
約数和(自身を除く): 44703320

約数列:
[1, 2, 4, 5, 8, 10, 20, 23, 29, 40, 46, 58, 92, 115, 116, 145, 184, 230, 232, 290, 460, 580, 667, 920, 1160, 1171, 1334, 2342, 2668, 3335, 4684, 5336, 5855, 6670, 9368, 11710, 13340, 23420, 26680, 26933, 33959, 46840, 53866, 67918, 107732, 134665, 135836, 169795, 215464, 269330, 271672, 339590, 538660, 679180, 781057, 1077320, 1358360, 1562114, 3124228, 3905285, 6248456, 7810570, 15621140, 31242280]

約数ペア:
[(1, 31242280), (2, 15621140), (4, 7810570), (5, 6248456), (8, 3905285), (10, 3124228), (20, 1562114), (23, 1358360), (29, 1077320), (40, 781057), (46, 679180), (58, 538660), (92, 339590), (115, 271672), (116, 269330), (145, 215464), (184, 169795), (230, 135836), (232, 134665), (290, 107732), (460, 67918), (580, 53866), (667, 46840), (920, 33959), (1160, 26933), (1171, 26680), (1334, 23420), (2342, 13340), (2668, 11710), (3335, 9368), (4684, 6670), (5336, 5855)]

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