28100050

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2689}}^1$

素因数の和:2731

約数の個数: 48

約数和(自身を含む): 60040800

約数和(自身を除く): 31940750

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 2090, 2689, 5225, 5378, 10450, 13445, 26890, 29579, 51091, 59158, 67225, 102182, 134450, 147895, 255455, 295790, 510910, 562001, 739475, 1124002, 1277275, 1478950, 2554550, 2810005, 5620010, 14050025, 28100050]

約数ペア:

[(1, 28100050), (2, 14050025), (5, 5620010), (10, 2810005), (11, 2554550), (19, 1478950), (22, 1277275), (25, 1124002), (38, 739475), (50, 562001), (55, 510910), (95, 295790), (110, 255455), (190, 147895), (209, 134450), (275, 102182), (418, 67225), (475, 59158), (550, 51091), (950, 29579), (1045, 26890), (2090, 13445), (2689, 10450), (5225, 5378)]