About the Number

243931980

243931979 ← → 243931981

2進数表記:1110100010100001101101001100

漢数字表記:二億四千三百九十三万千九百八十

素因数分解:

2 2 × 3 1 × 5 1 × 17 1 × 379 1 × 631 1

素因数の和:1039
約数の個数: 96
約数和(自身を含む): 726243840
約数和(自身を除く): 482311860

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 170, 204, 255, 340, 379, 510, 631, 758, 1020, 1137, 1262, 1516, 1893, 1895, 2274, 2524, 3155, 3786, 3790, 4548, 5685, 6310, 6443, 7572, 7580, 9465, 10727, 11370, 12620, 12886, 18930, 19329, 21454, 22740, 25772, 32181, 32215, 37860, 38658, 42908, 53635, 64362, 64430, 77316, 96645, 107270, 128724, 128860, 160905, 193290, 214540, 239149, 321810, 386580, 478298, 643620, 717447, 956596, 1195745, 1434894, 2391490, 2869788, 3587235, 4065533, 4782980, 7174470, 8131066, 12196599, 14348940, 16262132, 20327665, 24393198, 40655330, 48786396, 60982995, 81310660, 121965990, 243931980]

約数ペア:
[(1, 243931980), (2, 121965990), (3, 81310660), (4, 60982995), (5, 48786396), (6, 40655330), (10, 24393198), (12, 20327665), (15, 16262132), (17, 14348940), (20, 12196599), (30, 8131066), (34, 7174470), (51, 4782980), (60, 4065533), (68, 3587235), (85, 2869788), (102, 2391490), (170, 1434894), (204, 1195745), (255, 956596), (340, 717447), (379, 643620), (510, 478298), (631, 386580), (758, 321810), (1020, 239149), (1137, 214540), (1262, 193290), (1516, 160905), (1893, 128860), (1895, 128724), (2274, 107270), (2524, 96645), (3155, 77316), (3786, 64430), (3790, 64362), (4548, 53635), (5685, 42908), (6310, 38658), (6443, 37860), (7572, 32215), (7580, 32181), (9465, 25772), (10727, 22740), (11370, 21454), (12620, 19329), (12886, 18930)]

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