About the Number

28407780

28407779 ← → 28407781

2進数表記:1101100010111011111100100

漢数字表記:二千八百四十万七千七百八十

素因数分解:

2 2 × 3 3 × 5 1 × 31 1 × 1697 1

素因数の和:1746
約数の個数: 96
約数和(自身を含む): 91284480
約数和(自身を除く): 62876700

約数列:
[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 31, 36, 45, 54, 60, 62, 90, 93, 108, 124, 135, 155, 180, 186, 270, 279, 310, 372, 465, 540, 558, 620, 837, 930, 1116, 1395, 1674, 1697, 1860, 2790, 3348, 3394, 4185, 5091, 5580, 6788, 8370, 8485, 10182, 15273, 16740, 16970, 20364, 25455, 30546, 33940, 45819, 50910, 52607, 61092, 76365, 91638, 101820, 105214, 152730, 157821, 183276, 210428, 229095, 263035, 305460, 315642, 458190, 473463, 526070, 631284, 789105, 916380, 946926, 1052140, 1420389, 1578210, 1893852, 2367315, 2840778, 3156420, 4734630, 5681556, 7101945, 9469260, 14203890, 28407780]

約数ペア:
[(1, 28407780), (2, 14203890), (3, 9469260), (4, 7101945), (5, 5681556), (6, 4734630), (9, 3156420), (10, 2840778), (12, 2367315), (15, 1893852), (18, 1578210), (20, 1420389), (27, 1052140), (30, 946926), (31, 916380), (36, 789105), (45, 631284), (54, 526070), (60, 473463), (62, 458190), (90, 315642), (93, 305460), (108, 263035), (124, 229095), (135, 210428), (155, 183276), (180, 157821), (186, 152730), (270, 105214), (279, 101820), (310, 91638), (372, 76365), (465, 61092), (540, 52607), (558, 50910), (620, 45819), (837, 33940), (930, 30546), (1116, 25455), (1395, 20364), (1674, 16970), (1697, 16740), (1860, 15273), (2790, 10182), (3348, 8485), (3394, 8370), (4185, 6788), (5091, 5580)]

このpageの処理時間: 0.00556492805480957 seconds