131445580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^2\times {\mathrm{977}}^1$

素因数の和:1055

約数の個数: 72

約数和(自身を含む): 326307744

約数和(自身を除く): 194862164

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 961, 977, 1085, 1922, 1954, 2170, 3844, 3908, 4340, 4805, 4885, 6727, 6839, 9610, 9770, 13454, 13678, 19220, 19540, 26908, 27356, 30287, 33635, 34195, 60574, 67270, 68390, 121148, 134540, 136780, 151435, 212009, 302870, 424018, 605740, 848036, 938897, 1060045, 1877794, 2120090, 3755588, 4240180, 4694485, 6572279, 9388970, 13144558, 18777940, 26289116, 32861395, 65722790, 131445580]

約数ペア:

[(1, 131445580), (2, 65722790), (4, 32861395), (5, 26289116), (7, 18777940), (10, 13144558), (14, 9388970), (20, 6572279), (28, 4694485), (31, 4240180), (35, 3755588), (62, 2120090), (70, 1877794), (124, 1060045), (140, 938897), (155, 848036), (217, 605740), (310, 424018), (434, 302870), (620, 212009), (868, 151435), (961, 136780), (977, 134540), (1085, 121148), (1922, 68390), (1954, 67270), (2170, 60574), (3844, 34195), (3908, 33635), (4340, 30287), (4805, 27356), (4885, 26908), (6727, 19540), (6839, 19220), (9610, 13678), (9770, 13454)]