72128140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{5101}}^1$

素因数の和:5218

約数の個数: 48

約数和(自身を含む): 174855744

約数和(自身を除く): 102727604

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1414, 2020, 2828, 3535, 5101, 7070, 10202, 14140, 20404, 25505, 35707, 51010, 71414, 102020, 142828, 178535, 357070, 515201, 714140, 1030402, 2060804, 2576005, 3606407, 5152010, 7212814, 10304020, 14425628, 18032035, 36064070, 72128140]

約数ペア:

[(1, 72128140), (2, 36064070), (4, 18032035), (5, 14425628), (7, 10304020), (10, 7212814), (14, 5152010), (20, 3606407), (28, 2576005), (35, 2060804), (70, 1030402), (101, 714140), (140, 515201), (202, 357070), (404, 178535), (505, 142828), (707, 102020), (1010, 71414), (1414, 51010), (2020, 35707), (2828, 25505), (3535, 20404), (5101, 14140), (7070, 10202)]