About the Number

128738040

128738039 ← → 128738041

2進数表記:111101011000110001011111000

漢数字表記:一億二千八百七十三万八千四十

素因数分解:

2 3 × 3 1 × 5 1 × 31 1 × 34607 1

素因数の和:34652
約数の個数: 64
約数和(自身を含む): 398684160
約数和(自身を除く): 269946120

約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 620, 744, 930, 1240, 1860, 3720, 34607, 69214, 103821, 138428, 173035, 207642, 276856, 346070, 415284, 519105, 692140, 830568, 1038210, 1072817, 1384280, 2076420, 2145634, 3218451, 4152840, 4291268, 5364085, 6436902, 8582536, 10728170, 12873804, 16092255, 21456340, 25747608, 32184510, 42912680, 64369020, 128738040]

約数ペア:
[(1, 128738040), (2, 64369020), (3, 42912680), (4, 32184510), (5, 25747608), (6, 21456340), (8, 16092255), (10, 12873804), (12, 10728170), (15, 8582536), (20, 6436902), (24, 5364085), (30, 4291268), (31, 4152840), (40, 3218451), (60, 2145634), (62, 2076420), (93, 1384280), (120, 1072817), (124, 1038210), (155, 830568), (186, 692140), (248, 519105), (310, 415284), (372, 346070), (465, 276856), (620, 207642), (744, 173035), (930, 138428), (1240, 103821), (1860, 69214), (3720, 34607)]

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