4428140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1$

素因数の和:342

約数の個数: 48

約数和(自身を含む): 10053120

約数和(自身を除く): 5624980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 271, 380, 430, 542, 817, 860, 1084, 1355, 1634, 2710, 3268, 4085, 5149, 5420, 8170, 10298, 11653, 16340, 20596, 23306, 25745, 46612, 51490, 58265, 102980, 116530, 221407, 233060, 442814, 885628, 1107035, 2214070, 4428140]

約数ペア:

[(1, 4428140), (2, 2214070), (4, 1107035), (5, 885628), (10, 442814), (19, 233060), (20, 221407), (38, 116530), (43, 102980), (76, 58265), (86, 51490), (95, 46612), (172, 25745), (190, 23306), (215, 20596), (271, 16340), (380, 11653), (430, 10298), (542, 8170), (817, 5420), (860, 5149), (1084, 4085), (1355, 3268), (1634, 2710)]