251343040

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1949}}^1$

素因数の和:2010

約数の個数: 112

約数和(自身を含む): 665683200

約数和(自身を除く): 414340160

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 806, 832, 992, 1040, 1240, 1612, 1949, 1984, 2015, 2080, 2480, 3224, 3898, 4030, 4160, 4960, 6448, 7796, 8060, 9745, 9920, 12896, 15592, 16120, 19490, 25337, 25792, 31184, 32240, 38980, 50674, 60419, 62368, 64480, 77960, 101348, 120838, 124736, 126685, 128960, 155920, 202696, 241676, 253370, 302095, 311840, 405392, 483352, 506740, 604190, 623680, 785447, 810784, 966704, 1013480, 1208380, 1570894, 1621568, 1933408, 2026960, 2416760, 3141788, 3866816, 3927235, 4053920, 4833520, 6283576, 7854470, 8107840, 9667040, 12567152, 15708940, 19334080, 25134304, 31417880, 50268608, 62835760, 125671520, 251343040]

約数ペア:

[(1, 251343040), (2, 125671520), (4, 62835760), (5, 50268608), (8, 31417880), (10, 25134304), (13, 19334080), (16, 15708940), (20, 12567152), (26, 9667040), (31, 8107840), (32, 7854470), (40, 6283576), (52, 4833520), (62, 4053920), (64, 3927235), (65, 3866816), (80, 3141788), (104, 2416760), (124, 2026960), (130, 1933408), (155, 1621568), (160, 1570894), (208, 1208380), (248, 1013480), (260, 966704), (310, 810784), (320, 785447), (403, 623680), (416, 604190), (496, 506740), (520, 483352), (620, 405392), (806, 311840), (832, 302095), (992, 253370), (1040, 241676), (1240, 202696), (1612, 155920), (1949, 128960), (1984, 126685), (2015, 124736), (2080, 120838), (2480, 101348), (3224, 77960), (3898, 64480), (4030, 62368), (4160, 60419), (4960, 50674), (6448, 38980), (7796, 32240), (8060, 31184), (9745, 25792), (9920, 25337), (12896, 19490), (15592, 16120)]