30908140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{251}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 67060224

約数和(自身を除く): 36152084

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 131, 188, 235, 251, 262, 470, 502, 524, 655, 940, 1004, 1255, 1310, 2510, 2620, 5020, 6157, 11797, 12314, 23594, 24628, 30785, 32881, 47188, 58985, 61570, 65762, 117970, 123140, 131524, 164405, 235940, 328810, 657620, 1545407, 3090814, 6181628, 7727035, 15454070, 30908140]

約数ペア:

[(1, 30908140), (2, 15454070), (4, 7727035), (5, 6181628), (10, 3090814), (20, 1545407), (47, 657620), (94, 328810), (131, 235940), (188, 164405), (235, 131524), (251, 123140), (262, 117970), (470, 65762), (502, 61570), (524, 58985), (655, 47188), (940, 32881), (1004, 30785), (1255, 24628), (1310, 23594), (2510, 12314), (2620, 11797), (5020, 6157)]