75219980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1889}}^1$

素因数の和:2090

約数の個数: 48

約数和(自身を含む): 173365920

約数和(自身を除く): 98145940

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 181, 220, 362, 724, 905, 1810, 1889, 1991, 3620, 3778, 3982, 7556, 7964, 9445, 9955, 18890, 19910, 20779, 37780, 39820, 41558, 83116, 103895, 207790, 341909, 415580, 683818, 1367636, 1709545, 3419090, 3760999, 6838180, 7521998, 15043996, 18804995, 37609990, 75219980]

約数ペア:

[(1, 75219980), (2, 37609990), (4, 18804995), (5, 15043996), (10, 7521998), (11, 6838180), (20, 3760999), (22, 3419090), (44, 1709545), (55, 1367636), (110, 683818), (181, 415580), (220, 341909), (362, 207790), (724, 103895), (905, 83116), (1810, 41558), (1889, 39820), (1991, 37780), (3620, 20779), (3778, 19910), (3982, 18890), (7556, 9955), (7964, 9445)]