22704620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{401}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 50652000

約数和(自身を除く): 27947380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 149, 190, 298, 380, 401, 596, 745, 802, 1490, 1604, 2005, 2831, 2980, 4010, 5662, 7619, 8020, 11324, 14155, 15238, 28310, 30476, 38095, 56620, 59749, 76190, 119498, 152380, 238996, 298745, 597490, 1135231, 1194980, 2270462, 4540924, 5676155, 11352310, 22704620]

約数ペア:

[(1, 22704620), (2, 11352310), (4, 5676155), (5, 4540924), (10, 2270462), (19, 1194980), (20, 1135231), (38, 597490), (76, 298745), (95, 238996), (149, 152380), (190, 119498), (298, 76190), (380, 59749), (401, 56620), (596, 38095), (745, 30476), (802, 28310), (1490, 15238), (1604, 14155), (2005, 11324), (2831, 8020), (2980, 7619), (4010, 5662)]