11835220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 25779600

約数和(自身を除く): 13944380

約数列:

[1, 2, 4, 5, 10, 20, 61, 89, 109, 122, 178, 218, 244, 305, 356, 436, 445, 545, 610, 890, 1090, 1220, 1780, 2180, 5429, 6649, 9701, 10858, 13298, 19402, 21716, 26596, 27145, 33245, 38804, 48505, 54290, 66490, 97010, 108580, 132980, 194020, 591761, 1183522, 2367044, 2958805, 5917610, 11835220]

約数ペア:

[(1, 11835220), (2, 5917610), (4, 2958805), (5, 2367044), (10, 1183522), (20, 591761), (61, 194020), (89, 132980), (109, 108580), (122, 97010), (178, 66490), (218, 54290), (244, 48505), (305, 38804), (356, 33245), (436, 27145), (445, 26596), (545, 21716), (610, 19402), (890, 13298), (1090, 10858), (1220, 9701), (1780, 6649), (2180, 5429)]