201220070

素因数分解:

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

素因数の和:453

約数の個数: 64

約数和(自身を含む): 398131200

約数和(自身を除く): 196911130

約数列:

[1, 2, 5, 10, 19, 31, 38, 62, 95, 127, 155, 190, 254, 269, 310, 538, 589, 635, 1178, 1270, 1345, 2413, 2690, 2945, 3937, 4826, 5111, 5890, 7874, 8339, 10222, 12065, 16678, 19685, 24130, 25555, 34163, 39370, 41695, 51110, 68326, 74803, 83390, 149606, 158441, 170815, 316882, 341630, 374015, 649097, 748030, 792205, 1059053, 1298194, 1584410, 2118106, 3245485, 5295265, 6490970, 10590530, 20122007, 40244014, 100610035, 201220070]

約数ペア:

[(1, 201220070), (2, 100610035), (5, 40244014), (10, 20122007), (19, 10590530), (31, 6490970), (38, 5295265), (62, 3245485), (95, 2118106), (127, 1584410), (155, 1298194), (190, 1059053), (254, 792205), (269, 748030), (310, 649097), (538, 374015), (589, 341630), (635, 316882), (1178, 170815), (1270, 158441), (1345, 149606), (2413, 83390), (2690, 74803), (2945, 68326), (3937, 51110), (4826, 41695), (5111, 39370), (5890, 34163), (7874, 25555), (8339, 24130), (10222, 19685), (12065, 16678)]