71784860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{17681}}^1$

素因数の和:17726

約数の個数: 48

約数和(自身を含む): 178234560

約数和(自身を除く): 106449700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 17681, 35362, 70724, 88405, 123767, 176810, 247534, 353620, 495068, 512749, 618835, 1025498, 1237670, 2050996, 2475340, 2563745, 3589243, 5127490, 7178486, 10254980, 14356972, 17946215, 35892430, 71784860]

約数ペア:

[(1, 71784860), (2, 35892430), (4, 17946215), (5, 14356972), (7, 10254980), (10, 7178486), (14, 5127490), (20, 3589243), (28, 2563745), (29, 2475340), (35, 2050996), (58, 1237670), (70, 1025498), (116, 618835), (140, 512749), (145, 495068), (203, 353620), (290, 247534), (406, 176810), (580, 123767), (812, 88405), (1015, 70724), (2030, 35362), (4060, 17681)]