129799580

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{2909}}^1$

素因数の和:3038

約数の個数: 48

約数和(自身を含む): 287461440

約数和(自身を除く): 157661860

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 97, 115, 194, 230, 388, 460, 485, 970, 1940, 2231, 2909, 4462, 5818, 8924, 11155, 11636, 14545, 22310, 29090, 44620, 58180, 66907, 133814, 267628, 282173, 334535, 564346, 669070, 1128692, 1338140, 1410865, 2821730, 5643460, 6489979, 12979958, 25959916, 32449895, 64899790, 129799580]

約数ペア:

[(1, 129799580), (2, 64899790), (4, 32449895), (5, 25959916), (10, 12979958), (20, 6489979), (23, 5643460), (46, 2821730), (92, 1410865), (97, 1338140), (115, 1128692), (194, 669070), (230, 564346), (388, 334535), (460, 282173), (485, 267628), (970, 133814), (1940, 66907), (2231, 58180), (2909, 44620), (4462, 29090), (5818, 22310), (8924, 14545), (11155, 11636)]