About the Number

3898404380

3898404379 ← → 3898404381

2進数表記:11101000010111001110111000011100

漢数字表記:三十八億九千八百四十万四千三百八十

素因数分解:

2 2 × 5 1 × 13 1 × 31 1 × 67 1 × 7219 1

素因数の和:7339
約数の個数: 96
約数和(自身を含む): 9237903360
約数和(自身を除く): 5339498980

約数列:
[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 67, 124, 130, 134, 155, 260, 268, 310, 335, 403, 620, 670, 806, 871, 1340, 1612, 1742, 2015, 2077, 3484, 4030, 4154, 4355, 7219, 8060, 8308, 8710, 10385, 14438, 17420, 20770, 27001, 28876, 36095, 41540, 54002, 72190, 93847, 108004, 135005, 144380, 187694, 223789, 270010, 375388, 447578, 469235, 483673, 540020, 895156, 938470, 967346, 1118945, 1876940, 1934692, 2237890, 2418365, 2909257, 4475780, 4836730, 5818514, 6287749, 9673460, 11637028, 12575498, 14546285, 14993863, 25150996, 29092570, 29987726, 31438745, 58185140, 59975452, 62877490, 74969315, 125754980, 149938630, 194920219, 299877260, 389840438, 779680876, 974601095, 1949202190, 3898404380]

約数ペア:
[(1, 3898404380), (2, 1949202190), (4, 974601095), (5, 779680876), (10, 389840438), (13, 299877260), (20, 194920219), (26, 149938630), (31, 125754980), (52, 74969315), (62, 62877490), (65, 59975452), (67, 58185140), (124, 31438745), (130, 29987726), (134, 29092570), (155, 25150996), (260, 14993863), (268, 14546285), (310, 12575498), (335, 11637028), (403, 9673460), (620, 6287749), (670, 5818514), (806, 4836730), (871, 4475780), (1340, 2909257), (1612, 2418365), (1742, 2237890), (2015, 1934692), (2077, 1876940), (3484, 1118945), (4030, 967346), (4154, 938470), (4355, 895156), (7219, 540020), (8060, 483673), (8308, 469235), (8710, 447578), (10385, 375388), (14438, 270010), (17420, 223789), (20770, 187694), (27001, 144380), (28876, 135005), (36095, 108004), (41540, 93847), (54002, 72190)]

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