12122990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:305

約数の個数: 48

約数和(自身を含む): 24648624

約数和(自身を除く): 12525634

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 121, 215, 233, 242, 430, 466, 473, 605, 946, 1165, 1210, 2330, 2365, 2563, 4730, 5126, 5203, 10019, 10406, 12815, 20038, 25630, 26015, 28193, 50095, 52030, 56386, 100190, 110209, 140965, 220418, 281930, 551045, 1102090, 1212299, 2424598, 6061495, 12122990]

約数ペア:

[(1, 12122990), (2, 6061495), (5, 2424598), (10, 1212299), (11, 1102090), (22, 551045), (43, 281930), (55, 220418), (86, 140965), (110, 110209), (121, 100190), (215, 56386), (233, 52030), (242, 50095), (430, 28193), (466, 26015), (473, 25630), (605, 20038), (946, 12815), (1165, 10406), (1210, 10019), (2330, 5203), (2365, 5126), (2563, 4730)]