About the Number

87005380

87005379 ← → 87005381

2進数表記:101001011111001100011000100

漢数字表記:八千七百万五千三百八十

素因数分解:

2 2 × 5 1 × 7 3 × 11 1 × 1153 1

素因数の和:1194
約数の個数: 96
約数和(自身を含む): 232646400
約数和(自身を除く): 145641020

約数列:
[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 220, 245, 308, 343, 385, 490, 539, 686, 770, 980, 1078, 1153, 1372, 1540, 1715, 2156, 2306, 2695, 3430, 3773, 4612, 5390, 5765, 6860, 7546, 8071, 10780, 11530, 12683, 15092, 16142, 18865, 23060, 25366, 32284, 37730, 40355, 50732, 56497, 63415, 75460, 80710, 88781, 112994, 126830, 161420, 177562, 225988, 253660, 282485, 355124, 395479, 443905, 564970, 621467, 790958, 887810, 1129940, 1242934, 1581916, 1775620, 1977395, 2485868, 3107335, 3954790, 4350269, 6214670, 7909580, 8700538, 12429340, 17401076, 21751345, 43502690, 87005380]

約数ペア:
[(1, 87005380), (2, 43502690), (4, 21751345), (5, 17401076), (7, 12429340), (10, 8700538), (11, 7909580), (14, 6214670), (20, 4350269), (22, 3954790), (28, 3107335), (35, 2485868), (44, 1977395), (49, 1775620), (55, 1581916), (70, 1242934), (77, 1129940), (98, 887810), (110, 790958), (140, 621467), (154, 564970), (196, 443905), (220, 395479), (245, 355124), (308, 282485), (343, 253660), (385, 225988), (490, 177562), (539, 161420), (686, 126830), (770, 112994), (980, 88781), (1078, 80710), (1153, 75460), (1372, 63415), (1540, 56497), (1715, 50732), (2156, 40355), (2306, 37730), (2695, 32284), (3430, 25366), (3773, 23060), (4612, 18865), (5390, 16142), (5765, 15092), (6860, 12683), (7546, 11530), (8071, 10780)]

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