207784340

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{1117}}^1$

素因数の和:1328

約数の個数: 48

約数和(自身を含む): 446269824

約数和(自身を除く): 238485484

約数列:

[1, 2, 4, 5, 10, 20, 71, 131, 142, 262, 284, 355, 524, 655, 710, 1117, 1310, 1420, 2234, 2620, 4468, 5585, 9301, 11170, 18602, 22340, 37204, 46505, 79307, 93010, 146327, 158614, 186020, 292654, 317228, 396535, 585308, 731635, 793070, 1463270, 1586140, 2926540, 10389217, 20778434, 41556868, 51946085, 103892170, 207784340]

約数ペア:

[(1, 207784340), (2, 103892170), (4, 51946085), (5, 41556868), (10, 20778434), (20, 10389217), (71, 2926540), (131, 1586140), (142, 1463270), (262, 793070), (284, 731635), (355, 585308), (524, 396535), (655, 317228), (710, 292654), (1117, 186020), (1310, 158614), (1420, 146327), (2234, 93010), (2620, 79307), (4468, 46505), (5585, 37204), (9301, 22340), (11170, 18602)]