72170140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73643}}^1$

素因数の和:73666

約数の個数: 36

約数和(自身を含む): 176303736

約数和(自身を除く): 104133596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 73643, 147286, 294572, 368215, 515501, 736430, 1031002, 1472860, 2062004, 2577505, 3608507, 5155010, 7217014, 10310020, 14434028, 18042535, 36085070, 72170140]

約数ペア:

[(1, 72170140), (2, 36085070), (4, 18042535), (5, 14434028), (7, 10310020), (10, 7217014), (14, 5155010), (20, 3608507), (28, 2577505), (35, 2062004), (49, 1472860), (70, 1031002), (98, 736430), (140, 515501), (196, 368215), (245, 294572), (490, 147286), (980, 73643)]