11947180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:263

約数の個数: 72

約数和(自身を含む): 29762208

約数和(自身を除く): 17815028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 73, 98, 140, 146, 167, 196, 245, 292, 334, 365, 490, 511, 668, 730, 835, 980, 1022, 1169, 1460, 1670, 2044, 2338, 2555, 3340, 3577, 4676, 5110, 5845, 7154, 8183, 10220, 11690, 12191, 14308, 16366, 17885, 23380, 24382, 32732, 35770, 40915, 48764, 60955, 71540, 81830, 85337, 121910, 163660, 170674, 243820, 341348, 426685, 597359, 853370, 1194718, 1706740, 2389436, 2986795, 5973590, 11947180]

約数ペア:

[(1, 11947180), (2, 5973590), (4, 2986795), (5, 2389436), (7, 1706740), (10, 1194718), (14, 853370), (20, 597359), (28, 426685), (35, 341348), (49, 243820), (70, 170674), (73, 163660), (98, 121910), (140, 85337), (146, 81830), (167, 71540), (196, 60955), (245, 48764), (292, 40915), (334, 35770), (365, 32732), (490, 24382), (511, 23380), (668, 17885), (730, 16366), (835, 14308), (980, 12191), (1022, 11690), (1169, 10220), (1460, 8183), (1670, 7154), (2044, 5845), (2338, 5110), (2555, 4676), (3340, 3577)]