74131540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^2$

素因数の和:126

約数の個数: 144

約数和(自身を含む): 200188800

約数和(自身を除く): 126057260

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 29, 31, 35, 38, 58, 62, 70, 76, 95, 116, 124, 133, 140, 145, 155, 190, 203, 217, 266, 290, 310, 380, 406, 434, 532, 551, 580, 589, 620, 665, 812, 868, 899, 961, 1015, 1085, 1102, 1178, 1330, 1798, 1922, 2030, 2170, 2204, 2356, 2660, 2755, 2945, 3596, 3844, 3857, 4060, 4123, 4340, 4495, 4805, 5510, 5890, 6293, 6727, 7714, 8246, 8990, 9610, 11020, 11780, 12586, 13454, 15428, 16492, 17081, 17980, 18259, 19220, 19285, 20615, 25172, 26908, 27869, 31465, 33635, 34162, 36518, 38570, 41230, 55738, 62930, 67270, 68324, 73036, 77140, 82460, 85405, 91295, 111476, 119567, 125860, 127813, 134540, 139345, 170810, 182590, 195083, 239134, 255626, 278690, 341620, 365180, 390166, 478268, 511252, 529511, 557380, 597835, 639065, 780332, 975415, 1059022, 1195670, 1278130, 1950830, 2118044, 2391340, 2556260, 2647555, 3706577, 3901660, 5295110, 7413154, 10590220, 14826308, 18532885, 37065770, 74131540]

約数ペア:

[(1, 74131540), (2, 37065770), (4, 18532885), (5, 14826308), (7, 10590220), (10, 7413154), (14, 5295110), (19, 3901660), (20, 3706577), (28, 2647555), (29, 2556260), (31, 2391340), (35, 2118044), (38, 1950830), (58, 1278130), (62, 1195670), (70, 1059022), (76, 975415), (95, 780332), (116, 639065), (124, 597835), (133, 557380), (140, 529511), (145, 511252), (155, 478268), (190, 390166), (203, 365180), (217, 341620), (266, 278690), (290, 255626), (310, 239134), (380, 195083), (406, 182590), (434, 170810), (532, 139345), (551, 134540), (580, 127813), (589, 125860), (620, 119567), (665, 111476), (812, 91295), (868, 85405), (899, 82460), (961, 77140), (1015, 73036), (1085, 68324), (1102, 67270), (1178, 62930), (1330, 55738), (1798, 41230), (1922, 38570), (2030, 36518), (2170, 34162), (2204, 33635), (2356, 31465), (2660, 27869), (2755, 26908), (2945, 25172), (3596, 20615), (3844, 19285), (3857, 19220), (4060, 18259), (4123, 17980), (4340, 17081), (4495, 16492), (4805, 15428), (5510, 13454), (5890, 12586), (6293, 11780), (6727, 11020), (7714, 9610), (8246, 8990)]