402440140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:455

約数の個数: 96

約数和(自身を含む): 928972800

約数和(自身を除く): 526532660

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 127, 155, 190, 254, 269, 310, 380, 508, 538, 589, 620, 635, 1076, 1178, 1270, 1345, 2356, 2413, 2540, 2690, 2945, 3937, 4826, 5111, 5380, 5890, 7874, 8339, 9652, 10222, 11780, 12065, 15748, 16678, 19685, 20444, 24130, 25555, 33356, 34163, 39370, 41695, 48260, 51110, 68326, 74803, 78740, 83390, 102220, 136652, 149606, 158441, 166780, 170815, 299212, 316882, 341630, 374015, 633764, 649097, 683260, 748030, 792205, 1059053, 1298194, 1496060, 1584410, 2118106, 2596388, 3168820, 3245485, 4236212, 5295265, 6490970, 10590530, 12981940, 20122007, 21181060, 40244014, 80488028, 100610035, 201220070, 402440140]

約数ペア:

[(1, 402440140), (2, 201220070), (4, 100610035), (5, 80488028), (10, 40244014), (19, 21181060), (20, 20122007), (31, 12981940), (38, 10590530), (62, 6490970), (76, 5295265), (95, 4236212), (124, 3245485), (127, 3168820), (155, 2596388), (190, 2118106), (254, 1584410), (269, 1496060), (310, 1298194), (380, 1059053), (508, 792205), (538, 748030), (589, 683260), (620, 649097), (635, 633764), (1076, 374015), (1178, 341630), (1270, 316882), (1345, 299212), (2356, 170815), (2413, 166780), (2540, 158441), (2690, 149606), (2945, 136652), (3937, 102220), (4826, 83390), (5111, 78740), (5380, 74803), (5890, 68326), (7874, 51110), (8339, 48260), (9652, 41695), (10222, 39370), (11780, 34163), (12065, 33356), (15748, 25555), (16678, 24130), (19685, 20444)]