88979975

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{197}}^1$

素因数の和:332

約数の個数: 48

約数和(自身を含む): 132580800

約数和(自身を除く): 43600825

約数列:

[1, 5, 7, 25, 29, 35, 89, 145, 175, 197, 203, 445, 623, 725, 985, 1015, 1379, 2225, 2581, 3115, 4925, 5075, 5713, 6895, 12905, 15575, 17533, 18067, 28565, 34475, 39991, 64525, 87665, 90335, 122731, 142825, 199955, 438325, 451675, 508457, 613655, 999775, 2542285, 3068275, 3559199, 12711425, 17795995, 88979975]

約数ペア:

[(1, 88979975), (5, 17795995), (7, 12711425), (25, 3559199), (29, 3068275), (35, 2542285), (89, 999775), (145, 613655), (175, 508457), (197, 451675), (203, 438325), (445, 199955), (623, 142825), (725, 122731), (985, 90335), (1015, 87665), (1379, 64525), (2225, 39991), (2581, 34475), (3115, 28565), (4925, 18067), (5075, 17533), (5713, 15575), (6895, 12905)]