About the Number

128962380

128962379 ← → 128962381

2進数表記:111101011111100111101001100

漢数字表記:一億二千八百九十六万二千三百八十

素因数分解:

2 2 × 3 1 × 5 1 × 23 1 × 113 1 × 827 1

素因数の和:975
約数の個数: 96
約数和(自身を含む): 380588544
約数和(自身を除く): 251626164

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 113, 115, 138, 226, 230, 276, 339, 345, 452, 460, 565, 678, 690, 827, 1130, 1356, 1380, 1654, 1695, 2260, 2481, 2599, 3308, 3390, 4135, 4962, 5198, 6780, 7797, 8270, 9924, 10396, 12405, 12995, 15594, 16540, 19021, 24810, 25990, 31188, 38042, 38985, 49620, 51980, 57063, 76084, 77970, 93451, 95105, 114126, 155940, 186902, 190210, 228252, 280353, 285315, 373804, 380420, 467255, 560706, 570630, 934510, 1121412, 1141260, 1401765, 1869020, 2149373, 2803530, 4298746, 5607060, 6448119, 8597492, 10746865, 12896238, 21493730, 25792476, 32240595, 42987460, 64481190, 128962380]

約数ペア:
[(1, 128962380), (2, 64481190), (3, 42987460), (4, 32240595), (5, 25792476), (6, 21493730), (10, 12896238), (12, 10746865), (15, 8597492), (20, 6448119), (23, 5607060), (30, 4298746), (46, 2803530), (60, 2149373), (69, 1869020), (92, 1401765), (113, 1141260), (115, 1121412), (138, 934510), (226, 570630), (230, 560706), (276, 467255), (339, 380420), (345, 373804), (452, 285315), (460, 280353), (565, 228252), (678, 190210), (690, 186902), (827, 155940), (1130, 114126), (1356, 95105), (1380, 93451), (1654, 77970), (1695, 76084), (2260, 57063), (2481, 51980), (2599, 49620), (3308, 38985), (3390, 38042), (4135, 31188), (4962, 25990), (5198, 24810), (6780, 19021), (7797, 16540), (8270, 15594), (9924, 12995), (10396, 12405)]

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