402477180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{136897}}^1$

素因数の和:136923

約数の個数: 72

約数和(自身を含む): 1310935248

約数和(自身を除く): 908458068

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 136897, 273794, 410691, 547588, 684485, 821382, 958279, 1368970, 1642764, 1916558, 2053455, 2737940, 2874837, 3833116, 4106910, 4791395, 5749674, 6707953, 8213820, 9582790, 11499348, 13415906, 14374185, 19165580, 20123859, 26831812, 28748370, 33539765, 40247718, 57496740, 67079530, 80495436, 100619295, 134159060, 201238590, 402477180]

約数ペア:

[(1, 402477180), (2, 201238590), (3, 134159060), (4, 100619295), (5, 80495436), (6, 67079530), (7, 57496740), (10, 40247718), (12, 33539765), (14, 28748370), (15, 26831812), (20, 20123859), (21, 19165580), (28, 14374185), (30, 13415906), (35, 11499348), (42, 9582790), (49, 8213820), (60, 6707953), (70, 5749674), (84, 4791395), (98, 4106910), (105, 3833116), (140, 2874837), (147, 2737940), (196, 2053455), (210, 1916558), (245, 1642764), (294, 1368970), (420, 958279), (490, 821382), (588, 684485), (735, 547588), (980, 410691), (1470, 273794), (2940, 136897)]