About the Number

42938490

42938489 ← → 42938491

2進数表記:10100011110011000001111010

漢数字表記:四千二百九十三万八千四百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 139 1 × 1471 1

素因数の和:1627
約数の個数: 64
約数和(自身を含む): 118702080
約数和(自身を除く): 75763590

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 139, 210, 278, 417, 695, 834, 973, 1390, 1471, 1946, 2085, 2919, 2942, 4170, 4413, 4865, 5838, 7355, 8826, 9730, 10297, 14595, 14710, 20594, 22065, 29190, 30891, 44130, 51485, 61782, 102970, 154455, 204469, 308910, 408938, 613407, 1022345, 1226814, 1431283, 2044690, 2862566, 3067035, 4293849, 6134070, 7156415, 8587698, 14312830, 21469245, 42938490]

約数ペア:
[(1, 42938490), (2, 21469245), (3, 14312830), (5, 8587698), (6, 7156415), (7, 6134070), (10, 4293849), (14, 3067035), (15, 2862566), (21, 2044690), (30, 1431283), (35, 1226814), (42, 1022345), (70, 613407), (105, 408938), (139, 308910), (210, 204469), (278, 154455), (417, 102970), (695, 61782), (834, 51485), (973, 44130), (1390, 30891), (1471, 29190), (1946, 22065), (2085, 20594), (2919, 14710), (2942, 14595), (4170, 10297), (4413, 9730), (4865, 8826), (5838, 7355)]

このpageの処理時間: 0.007548093795776367 seconds