1221000220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{104717}}^1$

素因数の和:104790

約数の個数: 48

約数和(自身を含む): 2850005088

約数和(自身を除く): 1629004868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 2332, 2915, 5830, 11660, 104717, 209434, 418868, 523585, 1047170, 1151887, 2094340, 2303774, 4607548, 5550001, 5759435, 11100002, 11518870, 22200004, 23037740, 27750005, 55500010, 61050011, 111000020, 122100022, 244200044, 305250055, 610500110, 1221000220]

約数ペア:

[(1, 1221000220), (2, 610500110), (4, 305250055), (5, 244200044), (10, 122100022), (11, 111000020), (20, 61050011), (22, 55500010), (44, 27750005), (53, 23037740), (55, 22200004), (106, 11518870), (110, 11100002), (212, 5759435), (220, 5550001), (265, 4607548), (530, 2303774), (583, 2094340), (1060, 1151887), (1166, 1047170), (2332, 523585), (2915, 418868), (5830, 209434), (11660, 104717)]