1900243780

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{569}}^1\times {\mathrm{4513}}^1$

素因数の和:5128

約数の個数: 48

約数和(自身を含む): 4106476080

約数和(自身を除く): 2206232300

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 569, 740, 1138, 2276, 2845, 4513, 5690, 9026, 11380, 18052, 21053, 22565, 42106, 45130, 84212, 90260, 105265, 166981, 210530, 333962, 421060, 667924, 834905, 1669810, 2567897, 3339620, 5135794, 10271588, 12839485, 25678970, 51357940, 95012189, 190024378, 380048756, 475060945, 950121890, 1900243780]

約数ペア:

[(1, 1900243780), (2, 950121890), (4, 475060945), (5, 380048756), (10, 190024378), (20, 95012189), (37, 51357940), (74, 25678970), (148, 12839485), (185, 10271588), (370, 5135794), (569, 3339620), (740, 2567897), (1138, 1669810), (2276, 834905), (2845, 667924), (4513, 421060), (5690, 333962), (9026, 210530), (11380, 166981), (18052, 105265), (21053, 90260), (22565, 84212), (42106, 45130)]