72121700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{523}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 180113472

約数和(自身を除く): 107991772

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 197, 350, 394, 523, 700, 788, 985, 1046, 1379, 1970, 2092, 2615, 2758, 3661, 3940, 4925, 5230, 5516, 6895, 7322, 9850, 10460, 13075, 13790, 14644, 18305, 19700, 26150, 27580, 34475, 36610, 52300, 68950, 73220, 91525, 103031, 137900, 183050, 206062, 366100, 412124, 515155, 721217, 1030310, 1442434, 2060620, 2575775, 2884868, 3606085, 5151550, 7212170, 10303100, 14424340, 18030425, 36060850, 72121700]

約数ペア:

[(1, 72121700), (2, 36060850), (4, 18030425), (5, 14424340), (7, 10303100), (10, 7212170), (14, 5151550), (20, 3606085), (25, 2884868), (28, 2575775), (35, 2060620), (50, 1442434), (70, 1030310), (100, 721217), (140, 515155), (175, 412124), (197, 366100), (350, 206062), (394, 183050), (523, 137900), (700, 103031), (788, 91525), (985, 73220), (1046, 68950), (1379, 52300), (1970, 36610), (2092, 34475), (2615, 27580), (2758, 26150), (3661, 19700), (3940, 18305), (4925, 14644), (5230, 13790), (5516, 13075), (6895, 10460), (7322, 9850)]