About the Number

421244280

421244279 ← → 421244281

2進数表記:11001000110111010110101111000

漢数字表記:四億二千百二十四万四千二百八十

素因数分解:

2 3 × 3 3 × 5 1 × 179 1 × 2179 1

素因数の和:2378
約数の個数: 128
約数和(自身を含む): 1412640000
約数和(自身を除く): 991395720

約数列:
[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 179, 180, 216, 270, 358, 360, 537, 540, 716, 895, 1074, 1080, 1432, 1611, 1790, 2148, 2179, 2685, 3222, 3580, 4296, 4358, 4833, 5370, 6444, 6537, 7160, 8055, 8716, 9666, 10740, 10895, 12888, 13074, 16110, 17432, 19332, 19611, 21480, 21790, 24165, 26148, 32220, 32685, 38664, 39222, 43580, 48330, 52296, 58833, 64440, 65370, 78444, 87160, 96660, 98055, 117666, 130740, 156888, 193320, 196110, 235332, 261480, 294165, 390041, 392220, 470664, 588330, 780082, 784440, 1170123, 1176660, 1560164, 1950205, 2340246, 2353320, 3120328, 3510369, 3900410, 4680492, 5850615, 7020738, 7800820, 9360984, 10531107, 11701230, 14041476, 15601640, 17551845, 21062214, 23402460, 28082952, 35103690, 42124428, 46804920, 52655535, 70207380, 84248856, 105311070, 140414760, 210622140, 421244280]

約数ペア:
[(1, 421244280), (2, 210622140), (3, 140414760), (4, 105311070), (5, 84248856), (6, 70207380), (8, 52655535), (9, 46804920), (10, 42124428), (12, 35103690), (15, 28082952), (18, 23402460), (20, 21062214), (24, 17551845), (27, 15601640), (30, 14041476), (36, 11701230), (40, 10531107), (45, 9360984), (54, 7800820), (60, 7020738), (72, 5850615), (90, 4680492), (108, 3900410), (120, 3510369), (135, 3120328), (179, 2353320), (180, 2340246), (216, 1950205), (270, 1560164), (358, 1176660), (360, 1170123), (537, 784440), (540, 780082), (716, 588330), (895, 470664), (1074, 392220), (1080, 390041), (1432, 294165), (1611, 261480), (1790, 235332), (2148, 196110), (2179, 193320), (2685, 156888), (3222, 130740), (3580, 117666), (4296, 98055), (4358, 96660), (4833, 87160), (5370, 78444), (6444, 65370), (6537, 64440), (7160, 58833), (8055, 52296), (8716, 48330), (9666, 43580), (10740, 39222), (10895, 38664), (12888, 32685), (13074, 32220), (16110, 26148), (17432, 24165), (19332, 21790), (19611, 21480)]

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